slip one past the goalie

verb. To impreagnate a woman; usually occuring during intercourse where some form of contraceptive is used.

Dude, that sucks. I heard you slipped one past the goalie.

by Jeb from NH July 25, 2003

Slippery Gecko

While having sex in the shower push your partner up against the wall kissing her, then quickly try to insert your penis into her anus and watch her try and climb the wall.

dude i totally shocked her with the slippery gecko

by Putrid169 June 29, 2011

Slip of the thumb

When you are holding your cat, and accidentally inserts a finger up his anus

"Oh no, I just fisted my cat, what a slip of the thumb"
"My friend plunged my cat's clunge, dude"

by kievrob January 9, 2015

Slippery Penguin

When a man's "Penguin" accidentally slips out of the vagina and into the asshole mid thrust, without skipping a beat due to it being extremely slippery.

I'm sorry baby... i didn't mean for a slippery penguin to happen. Good for you though, champ.

by ppppppPinguPingu February 17, 2017

slipped a mickey

Slang term for a drink laced with a drug (especially chloral hydrate) given to someone without their knowledge in order to incapacitate them.

NotDave had been handcuffed to his own bed by one of Steve's girls who had slipped a mickey to him earlier in the night.

by Nomynameisnotdave January 4, 2009

Slippery floors

Juicy, Wild sexual encounters.

When I see Wonda Wonderpig, it is slippery floors tonight!!!

by I, Wreckerrr November 2, 2016

slippery helicopter

A fat lady lays still on a bed covered in butter flavored maple syrup. A man of much smaller size then lays stomach down on the womans belly inserting ahis penis into the womans belly button hole. He then uses his surroundings to spin in a counter clockwise direction. (All of this is performed whilst unclothed)

Did you hear Bertha and Marty tried the slippery helicopter?

by ya boy riley September 12, 2017