whack-off 

Something extremely large or noisy.

"The car hit him and I heard this whack-off BANG"
"She has whack-off breasts." (This can also link to "whack off" meaning "to masturbate")

whack-off by Gabez November 29, 2009

whack off 

to mastrubate, jack off

Dude, I am going to whack off in the corner

whack off by Travis December 8, 2002

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.

whack off by England phi beta gamma April 4, 2008

whack off 

my favorite pasttime, next to sleeping

i like to whack off several times a day, it feels so good

whack off by Yakov the Jack off September 29, 2003

whack off 

To whack off means to beat your meat forcefully.

When I've got morning wood I whack off!

whack off by USAF Cadet October 21, 2020

whack off 

to have sex with Pamela Handerson

I fucked her good last night, Pamela Handerson that is.

whack off by Guy Mann December 28, 2003

whack off 

being married to your right hand; something that computer nerds can barely get.

I whacked off the other day on my computer and is was all over me.

whack off by Fuck taht September 23, 2003