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.

rack sack by I_AM_THE_CLIT_COMMANDER June 3, 2007

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".

Sack Rack by jspoke73 March 14, 2011

Sack- On - Rack 

Verb- In the food service industry:the act of placing ones scrotum on a rack of baby back ribs shortly before cooking them for an unsuspecting customer.

That old guy said his soup was cold so it's time for the old sack-on-rack.

Sack- On - Rack by TheLumberjackDjAdrock August 21, 2003

RackSack 

The condition a male is forcefully given when having been struck in the testicles. This condition is known to cause severe watering of the eyes, temporary swelling of the testicles, extreme cases of Sailor Mouth, and will cause the one stricken with Racksack to assume the fetal position, most likely with their hands protecting their testicles from further harm.

Ouch, bro, that nutshot must've given you some serious Racksack.

RackSack by Sol Reaper February 27, 2011