Jerking off over porn on your computer but having Google open in another window incase you get caught.
by Psymon- March 28, 2007

Heterosexual intercourse carried out in the missionary position between 'mutually enthusiastic' partners with sufficient vigour to generate rhythmic, audible impact of scrotum on buttocks.
He gave me such a fanny whacking last night, I bet he makes up some excuse for not cycling to work this week!
by TrevBloke November 6, 2010

by jambizz June 11, 2006

A term used to describe to the act of female masturbation. Useful as a delicate description or an obscene insult. Perhaps derived from the male version of "whack" off.
by JB February 27, 2005

by Joey! January 22, 2004

1) A make shift lean-to made in ones bed room out of blankets, chairs, pillows, and the bed itself, where one masturbates in privacy.
2) A covered shower in a locker room where one wanks.
whack procedure:
Get in
Get off
Get out
2) A covered shower in a locker room where one wanks.
whack procedure:
Get in
Get off
Get out
1) Everyone knows what my roommate is doing when he is skyping his girlfriend and brings his laptop into his whack shack.
2) The quarter back swears hes straight, but hes not fooling anyone when he suggests drilling a glory hole into our locker room whack shack.
2) The quarter back swears hes straight, but hes not fooling anyone when he suggests drilling a glory hole into our locker room whack shack.
by Mr. Billy Shears February 17, 2009

