Urban Dictionary: SMB

Formerly "Screaming Monkey Boner". Now "Screaming Mechanical Brain." - A Minneapolis, Minnesota based metal band. They are pretty good.

Did you go to the SMB concert yesterday?

by bobaluya April 25, 2005

(suck my balls) as in (lick my testicals) or (give my testacles pleasure) or (screw u)

Swen89: i dont like u
Justsex89: smb
Swen89: huh?
Justsex89: (suck my balls)
Swen89: oh ok..

by J Train November 25, 2004

i'm gona be smb w. my boyfriend so don't bother me!

by Nsalsog November 02, 2010

Damn, the SMB looks and sounds GREAT today! Must be another crisp fall Saturday afternoon!

by Academic Type January 23, 2005

acronym for shaking my boobs. often used instead of the norm smh for shaking my head while textin/IM'n

"i jus got a D+ on my paper!!! Time to treat myself!"
"smb"

Sniff My Bung. Short for Sniff My Bunghole.

The little guy told the bully to S.M.B. This left the bully baffled.

by FishChair August 14, 2007

Matt "Shut up bobs"

Bobs "Matt, SMB"

by AdAgency March 06, 2007