an absolute dickhead who rarely uses commonsense or his/her brain.
"hey dickwack, dont light your cigareete while filling up your car!"
by Bigshonk February 04, 2004
1 more definition
the punching of someone elses dick, or exploding it with a gun
that motha fucka blew my fuckin cock up with him MT3Wacka, what a cunt, he's a real Dick Wack
by Blood123 May 12, 2007