(correct definition) When a girl fills her mouth completely with water and proceeds to suck your dick. You then blow your load in her mouth and give her cheeks a big ole smack and pop that mofuckin water balloon. Hilarity ensues.
I water ballooned my girlfriend because she lost a bet and now she isn't speaking to me but I don't give a shit because I water ballooned her.
by fittNasty April 14, 2009
Get the Water Balloon mug.
When holding the tip of your uncircumsized wang and peeing into it, therefore letting the piss build up until you let it go on some un-suspecting bastard/ bitch.
I did the water balloon on my roommate, unfortunately his girlfriend had her mouth open
by Eric theMeyer September 21, 2005
Get the Water balloon mug.
The act of urinating during anal sex. Like filling a balloon with a garden hose.
"I picked up this chick from the bar and I totally water ballooned her by accident!"
by Bottle Blondy May 20, 2013
Get the Water Ballooned mug.
When you wrap up and, mid smash, wait to get just soft enough to piss into the condom. Fill it up. Slyly withdrawal, pinching and tying off the "balloon". Run.
Ah shit man, I dont think I'm coming to the party.

Why not?

I water ballooned Marika last weekend, not sure if she ever got it out after. Either way, she's gonna be pissed.
by party on April 3, 2015
Get the Water Ballooned mug.
Trumps everything thrown in Paper, Rock, Scissors, and therefore, life. Seen on the TV show "Friends".
Phoebe: Scissors beats Paper.
Joey: Fire burns paper.
Phoebe: Water balloon.
by RansomedStallion March 10, 2015
Get the Water Balloon mug.
Tugging on nipples making the jiggly breast move as if you were pinching the knot of the water ballon shaking it.
My nipples are sore, please don’t water balloon me tonight.
by WTerbaloon November 28, 2019
Get the Water balloon mug.
A term to describe cumming into an uninflated balloon, turning it into a semen-balloon and throw it at kids at a birthday party and watch to see the kids' reaction when they realize what's on them
I used a "Water" Balloon for JAMIE'S BIRTHDAY
by Rionox February 23, 2023
Get the "Water" Balloon mug.