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.

slip one past the goalie by Jeb from NH July 25, 2003

slip one past the goalie 

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.

slip one past the goalie by Stonograph August 20, 2007