when one guy takes his sack and wraps it around another guys penis and he has sex with it
Matt went over to Dave's for a little sack attack
by Monkey 12 December 12, 2007
Self explanatory, a swift attack to the SACK.
Perry perform a brutal Sack Attack on Sheldon.
by KOZ January 23, 2003
sack attack is when ones testes have been beaten too often
" damn woman slow down your gonna give me a sack attack!"
by TONY & DIANE THE NIGGS December 09, 2004
Drinking large amounts of goon from a goon sack at a time.
"Wily's gone on a sack attack again"
by newfoetus October 08, 2006

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