sack whack 

See above, other synonyms include:
Pattack (Penis attack)
Nut tap

Getting nailed in the junk. Ow.

see above

sack whack by Big Tim November 14, 2003

jimmy sack whack 

another word for jimmy tap but much more vicious

"Hey, do you know what a jimmy sack whack is?" "No, what is it?" "I'll show you." "Oww, why'd you do that, now I'm not going to be able to have kids."

jimmy sack whack by Beegis June 23, 2006

whack your sack 

Fondling your balls instead of actually fapping, to make it look like your just adjusting yourself.

If you whack your sack, you won’t get shit back.

whack your sack by El ritardo June 24, 2018

Sack whack 

A whack to a guy’s sack

Mike- Hey Tyler.
Tyler- Yeah?
Mike- SACK WHACK!!
Tyler- OOOHHHHH!!!!!
Mike- HAHAHAHAHA
Tyler- Oh you think that’s funny, huh? DOUBLE SACK WHACK!!!
Mike- (High pitched groan in pain)
James- SACK WHACK (to Mike) AND DOUBLE SACK WHACK (to Tyler)
Tyler and Mike- I wanna die!!!

Sack whack by ShamanViking September 9, 2020

Sack and Whack 

Stuffing your balls inside a vaginal cavity like packing a pipe with your thumb while jerking off onto declared body part such as stomach or back (if flexible). Also called "sack n whack".

Hey babe, mind if we sack and whack on your back while I read phrack on your mac? k thx hun.

Sack and Whack by deadly muffin November 16, 2010

wack sack 

a large amount. A collective noun of more than the usual or normal quantity

The Duggars have a wack sack of kids.

wack sack by shareski November 13, 2011

Wack Sack 

When a drug dealer either sells someone less of a drug that they paid for or passes off another substance as the drug someone is buying.

I bought an eighth of weed but the bag was missing almost a gram, the bastard sold me a wack sack.

I bought a gram of coke but it was just baking soda, i was tricked with a wack sack.

Wack Sack by MistahBradshaw August 30, 2010