It means a $20 dollar bag of dope
Hey G what cha' got? What you need homeboy? Can I get a twump? Sho.
by maefopiano August 21, 2006
The act of posting a Tweet on Twitter whilst doing a dump.
@snedwan I'm just doing a twump at the moment, taking a bit of forcing this one.
by Snedwan April 05, 2009
Twat thump, when you're bangin a girl, pull it out, and yell you left your pussy open bitch! and thump her in the twat with a backhand.
I was fuckin' her and she queefed so I twumped the shit outta her.
by JCPWJS February 25, 2005