Funny surprises that liven up birthdays. Prank ideas that get everyone excited.
When you think, “I want to celebrate the birthday of a friend, family member, or partner!!” how would you celebrate it?
If you feel that “just a normal celebration isn’t enough,” you probably want to try a surprise or a prank, right?
So in this article, we’ll introduce plenty of surprise and prank ideas that are perfect for birthday celebrations!
We’ve picked out not only heartwarming surprises but also lots of playful prank-style ideas, so please use them as a reference!
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Funny surprises that liven up birthdays. Hilarious prank ideas (71–80)
Disguised as a store clerk: surprise prank

A prankster disguised as a store clerk.
As a birthday surprise, a cake was brought out.
He was hit in the face with the cake by the “clerk” and had his face roughly wiped as part of the prank, and he didn’t realize at all that the clerk was actually a disguised prankster.
In the end, he noticed the disguise and was even more shocked.
Send a celebratory LINE message to everyone at once
Isn’t almost everyone keeping in touch with friends on LINE? Here’s a surprise idea: send a flood of celebratory LINE messages all at once.
The plan is to decide on a time in advance and have everyone send their congratulatory messages simultaneously.
If you send from individual chats, the screens will fill up with celebration messages, boosting the sense of happiness.
Try thinking up warm messages to send.
As a variation, you can also send stickers or gifts.
Be celebrated by strangers

When it comes to birthday surprises, many people probably think of throwing a surprise party.
The usual setup is to call the birthday person out under some pretext, and at the destination there’s a venue ready to celebrate—plus their friends.
But how about this twist: arrange for a complete stranger to congratulate them instead? Since it’s a stranger, choose someone who seems as un-suspicious and refreshing as possible to do the celebrating! And be sure to capture the whole scene with a hidden camera!
Homemade bento as a present
How about a heartwarming surprise with a homemade bento? The contents can be anything, but it’s nice to tie them to a birthday or to the person themselves.
For example, you could recreate a birthday cake in the style of a character bento, or pack it full of their favorite foods.
This is a surprise you can pull off either by yourself or with a group of friends.
Beforehand, don’t forget to tell them, “Don’t bring a lunch tomorrow!” Alternatively, you could focus mainly on desserts.
“Congratulations!” in a reverse playback telephone game

Do you know the reverse-playback telephone game? The reverse-playback telephone game is a version of the telephone game played using a recording app that has a reverse playback feature.
Players can only listen to what’s being said in reverse, so it’s more challenging than usual.
It’s also great for birthday surprises.
Make the birthday person go last and pass along a keyword like “Happy Birthday.” When they figure it out, they’ll be both surprised and moved.
Prank with special effects makeup

If you’re looking for a prank that will truly shock someone, special-effects makeup pranks are highly recommended.
For women, you could use SFX makeup to look completely bald, or go with the classic zombie makeup to give them a scare—there are plenty of ways to surprise people.
Professional makeup can be expensive, but variety stores sell more accessible options you can enjoy more easily.
Birthday flash mob

To celebrate my childhood best friend’s 20th birthday, I arranged a flash mob.
Suddenly, a dance started right in front of us, and with each song change, more people joined in.
In the end, the girl who planned it danced together with her best friend, including a solo.
The grandeur and sincerity of it brought me to tears.
Fake iPhone prank

A prank video from CJ SO COOL, a popular American YouTuber with over 5 million subscribers.
His 10-year-old daughter is handed an iPhone box.
As the excited child opens it, she finds it completely empty! When her parent asks, “I’ll buy you the iPhone, but you’ll listen to what I say, right?” the child nods obediently, leading to a happy ending.
It’s elaborate and pretty entertaining.
Celebrate with the star’s mask

Some people prefer surprises that pack a punch.
Here’s a suggestion: a surprise using a mask of the person you want to celebrate.
First, prepare a photo of them, enlarge it, and cut out the face.
Then reinforce it with cardboard to finish it as a mask.
Make lots of these, and if everyone wears one to celebrate, they’ll be truly stunned.
The bold look will also pop in commemorative photos.
Start by choosing a great photo of their face.
Fake cake pop prank

Cakes are fun, including their appearance, and the more colorful they are, the more excited we get to discover what’s inside and how they taste.
This prank deliberately betrays that anticipation: inside what looks like a cake-like coating, the contents are actually vegetables.
Round items like Brussels sprouts or cherry tomatoes are recommended; take advantage of their shape, coat them with chocolate, and finish them to look like a cake.
Creating a clear gap between what the appearance suggests and the actual taste is key to getting a big reaction.



