Top definition
A sex game.

Passing cum from person to person in such a way that the amount of cum increases.
Man cums in womans mouth, she spits cum into another womans mouth and a man cums in it too. She spits this into another womans mouth and so it goes on, back and forth till the last woman has to swallow a massive glop of cum. The "snowball" effect, see?
by top dog December 15, 2003
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Aug 11 Word of the Day
A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.
"My boyfriend has a total case of brain worms. He told me the cat was bugged so the Feds could listen in on us having sex..."

or

"You totally stumbled over that entire sentence. Can't speak English all of a sudden? What, do you have brain worms?"
by _Jez_ October 03, 2009
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2
A very kinky sexual game when after someone has had sperm ejaculated into their mouth they hold it orally rather than spitting or swallowing, then french-kiss with their partner. It can also apply with two guys or a group with at least one guy involved (no duh).
Aftering Russell ejaculated in Kat's mouth they started snowballing.
by raspberry (lust) muffin June 08, 2005
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3
When an advantage causes that advantage to grow increasingly larger, typically with no hope of stopping it.
Bottom lane fed 5 times, and now Yi is snowballing out of control.
by Bo0m5l4ng February 15, 2016
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4
after a woman performs oral sex on a man and than spits his cum into another womans mouth.
after i blew my load in her mouth she grabbed her girlfriend and went snow balling.
by scott crowley December 17, 2005
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5
Taking your man's cum in your mouth and not swallowing or spitting and deep kissing your man and letting him take some of his own cum back.
My Gay boyfriend and I just had sex and I took his load in my mouth and after sucking more cum from his spent cock He French kiss me taking some of it back. It was so damn hot thus snowballing with my man.
by Jimjames April 26, 2008
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6
when a man cums into a females mouth and then she spits it into the mans mouth
they went out and were snowballing for hours
by billy bob May 14, 2003
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