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A trending metaphorical term to describe a specific type of large "booty". Dumptruck refers to a booty that typically exceeds the measurement of 40".
"Damn son! She didn't just have a bubble butt, she had a dumptruck!"
by K Trey August 14, 2013
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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2
tucking the cock and balls between the legs and proceeding to ejaculate in the female's mouth while backing up and dropping a steamy load on her chest making crazy beeping noises like a dump truck
"Beep Beep Beep," said Little Eugene as he dropped a killer deuce all over Molly and her twin sister. "Now THAT's what I call a dump truck!"
by Shadie August 23, 2006
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3
While in the sixty nine position the individual on top slowly sits up (much like the motion of a dump trucks bed) while making a beeping sound, and proceeds to defecate on the face of his/her partner.
by Jordan Martin September 24, 2006
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5
Derogatory term for a criminal defence lawyer who accepts large numbers of clients with the intention of pleading them guilty as quickly as possible in order to make money on volume.
I wanted to challenge the charge on constitutional grounds, but my lawyer's a dump truck and sold me out to the prosecution.
by NoJusticeNoPeace April 20, 2009
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6
v. int. The act of pushing one's face in between a persons butt cheeks, and rocking one's head side to side very rapidly while making a vigorous, lip-vibrating "brrr" sound.

n. The sound produced when performing a dumptruck.
Wouldn't you love to see Simon Cowell dumptruck Cheryl Cole?
by Westcountry Lad April 08, 2011
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