Jimmy developed carpal tunnel syndrome in his wrist from whacking the doodle too many times each day.
by MTSpacey December 27, 2007

to mastrubate, jack off
by Travis December 8, 2002

by krl November 12, 2003

by getzalot September 1, 2009

When you are fucking a woman for 3 and a half hours and can't nut no matter how hot/tight she is cause dat pussy whack as fuck.
by Dãn December 29, 2017

Exsessive masturbation. As one does when they are high off crack, coke, or any other stimulant drug.
"dude, I was so horny last night I was crack whacking it for hours!"
"Man Tommy's been in the bathroom forever."
"He's crack whacking it..."
"Man Tommy's been in the bathroom forever."
"He's crack whacking it..."
by Minndy April 9, 2008

by Mondy101 November 23, 2017
