Top Definition
Short name for concussion jumping, or, using concussion grenades to perform trickjumps in the half-life mod, Team Fortress Classic. Started out with easy crap such as concmap_r, and now there are maps that are so fucking huge, you would go insane trying them.
"Who's up for some concing on concmap_cze_r?"
by Sam August 06, 2004
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.