Tying up the opening of your foreskin and then masturbating while keeping it tied over a long period of time until it's full of semen and then giving a girl the biggest facial she's ever received.
Friend: "How'd it go with you and Michelle last night?"
You: "Went great, I've been saving a water balloon all month for her."
Where a couple of any sexualities' get a piece of gum, and both ejaculate in it to where it forms a pouch of the couples seamen. After this the couple play a game of rock paper scissors and who ever loses in the game has to chew the gum for the rest of the day with no complaints.
Ex: (Jimmy) Man I've been having this salty taste in my mouth after losing to a game of "Water Balloon" with Jessica
When you pinch your foreskin and proceed to pee and fill your foreskin with piss.
Did you hear that Jimmy hit his girlfriend with the ol' water balloon from hell last Tuesday?
The act of filling a water balloon with piss and jizz instead of water, and launching it at your homies during a water balloon fight
We were having fun until Jake splashed me with a Golden Water Balloon
It was a wild night. I gave her a Philadelphia water balloon... Now I need a new mattress.
The act of urinating into a woman’s vagina during intercourse.
“ I am going to give you a Portuguese water balloon, if you complain one more time!”