A massive load of jizz.

What Dustin G put's on Evan M's chin every morning.
Hey Nate you should of seen the Mayonaise dumptruck I dumped on Dustin's chin last night. It was glorious.
by Apollo Rocket July 15, 2009
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Usually performed near the end of sex, the dirty dumptruck is when the women is lying on her front and just before ejaculation you take a shit on your girls back (hence the name 'dumptruck') and the girl will turn around to see what is on her back then you spunk in her eyeball
"Why did your girl leave you"

"I gave her a dirty dumptruck"
by Whatismylife43 April 13, 2017
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A Mexican Dumptruck is when one takes a Mexican's Sombrero, and shits in it so once the Mexican has put the sombrero back on, he gets covered in shit.
Will: "Bobby! What are you doing?"

Bobby shits in Diego's sombrero.

Bobby: "Puto stole my job."

Bobby Gave Diego a Mexican Dumptruck.
by JesusHooker1717 August 03, 2008
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a Jewish dumptruck is where a person takes a jew's yamacha, and shits in it, and they put it back on.
Kyle was pissed when that islam gave him a jewish dumptruck.
by COTY>< July 06, 2006
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