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
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To successfully have sexual intercourse with a woman who has told you no. (Rape)
She told Brian she didn't want to have sex last night, so he tried to slip one past the goalie.
by Stonograph August 16, 2007
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To fuck the chick in the ass and for the cum to seep out of the bum hole into the vagina
Friend: I heard you slipping one past the goalie during anal sex
Guy: Yeah, Sheila is pregnant now.
by Cox in ya mouf November 28, 2021
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