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29.
Not to be confused with the "Hot Carl", "Rusty Trombone", or the "Cleveland Steamer" the Dump Truck is the act of wrapping one's head with seran wrap and allowing a partner to defecate on said seran wrap. The point of this is to watch the "Dump Truck" dump it's load.
Little Tommy went "dump truckin" with Susie but she forgot to cover her hair!!
by chloric July 24, 2006
 
30.
Sitting on someones lap while they're taking a dump on the toilet.
I had to take a shit really bad, so I ran to the bathroom and made my bitch sit on my lap as I squeezed one out.
by Rachel Benson February 02, 2005
 
31.
To pull out before ejaculation during heterosexual intercourse and dump your load on her rather than in her in an attempt to avert pregnancy.
Boy was she pissed when I pulled the old dump truck on her cause she wants my baby.
by Joshinak August 21, 2006
 
32.
Someone who is a piece a trash.
Real Deal is a dump truck.
by Jnut October 08, 2003
 
33.
To pull out before ejaculation during heterosexual intercourse and dump your load on her rather than in her in an attempt to avert pregnancy.
Boy was she pissed when I pulled the old dump truck on her cause she wants my baby.
by Josh August 27, 2006