Whack Sack

Common name for "testicular akathisia"--also commonly known as "jimmy nuts": an uncontrolable urge to persistently shift, manipulate, or joggle one's testicles.

"Yo--he got he the Whack Sack serious. Dude plays with his nuts all day."

by Even Cleaveland January 3, 2007

wake and whack

When you whack off right after waking up in the morning. A wake and whack session usually occurs right after one awakes in the middle of an erotic dream or when one wakes with with morning wood.

Dude: I arose with a gnarly case of morning wood so I had to wake and whack!

Dude's Homie: Way to start the day off on the right hand!

by fallenaway December 16, 2008

Whack-Off Wednesday

Also known as W.O.W., this is Entensity.net's service to all us wankers out there. Every Wednesday, they reward their loyal viewers with a full length porn clip!

Hey, it's Wednesday! I'm gonna go see what's on Whack-Off Wednesday today! And maybe I'll whack-off!

by PMastaChris May 1, 2008

WHACKADOO

Someone crazy or wierd. To call someone means you are calling them whocko. Someone wayyyyyyy out-there.

Damn Tyler that bitch is a strait up whackadoo!!!!

by isbellangel March 2, 2009

whack off

The gift that keeps on giving!
Making love to yourself.
Masturbation

If I whack off with both hands, that's a perfect ten.

by England phi beta gamma April 4, 2008

whacking material

Pornographic literature with no other purpose than to be used in assisting masturbation.

The trucker didn't care about the titles or the quality of the porno magazines, he was just looking for whacking material.

by Gilbert Narley April 21, 2007

WHACK

1) When power is applied on a diesel locomotive and then engine revs up.
2) People shout WHACK when window hanging behind a diesel locomotive, when it revs up and starts to thrash.

"Whack it up driver!"

*driver applies power on the loco*
WHACK!!!!!

by Tomton THD June 18, 2020