look up any word, like donkey punch:
 
1.
go to sleep
Yo man, I'm pretty tired. I guess I'm gonna hit the sack
by arabLovinHo May 07, 2003
 
2.
Means to go to bed, though can be mistaken for masturbation.
Dude: Gonna hit the sack guys, catch you tomorrow.
Girl: Masterbate? sicko...
Dude: I mean go to bed, biatch.
by mc21212 January 18, 2007
 
3.
1. The act of getting into bed for the purpose of sleep.
2. The act of masturbating.
All right guys, I'm gonna go and hit the sack... and then go to bed.
by Dimpitidoopie January 11, 2008
 
4.
Masturbating to fall asleep before bed.
I am gonna hit the sack & passout
by aekdbro April 05, 2011
 
5.
another joke you play on your friends (usually guys). see example.
me: what do you do before you go to bed?
him: ???
me: hit the sack! *punch in the nuts*
by fanatacist July 24, 2004
 
6.
to hit the sack is a slang expression for masturbate.
OO man that is a fine ass chick im going to "hit the sack"(damn right)
by The Ness July 22, 2004