Top Definition
The act of pulling the lever on a co-worker's chair so that their seat falls forward, spilling them out in a hilarious manner.
"Dude, Hasan was on the phone, and I totally dumptrucked him"
by The Spud August 11, 2006
In first person shooters, to take a shotgun blast to the chest.
I though I had him beat, but then he turned around and dump trucked my ass.
by Hovdaholic June 01, 2007
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