rack sack

The act of ejaculating onto a female's breasts.
Dustin: So dude did you try that new thing with her tits? A rack sack?

Mitch: Oh I totally rack sacked her.
by I_AM_THE_CLIT_COMMANDER May 17, 2007
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Sack Rack

When a guy gets kicked, hit, or otherwise sustains pain to the groin area.
Sally kicked Jimmy in the balls. "That was a sack rack".
by jspoke73 February 27, 2011
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