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A sexual position in which the male bends over and sticks his dick backwards between his legs and the girl backs up onto his dick while making beeping noises like a Mack Truck. Variations include the Wide Load (women in excess of 200 lbs.)
Guy: Yo my girlfriend pulled the Mack Truck yesterday. I nutted everywhere
Other Guy: Dude thats so ballin. Did you try the Alaskan pipeline after?
Guy: No I've been constipated for weeks so I didn't have any frozen shits laying around
by Cock Mob September 24, 2007
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boy#1: Look at that big WFF!
boy#2: Nah man, thas a Mack Truck!
by Bryan April 15, 2005
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a nose the size of a mack truck
Guy 1) Daaayyyyuuummmmmm did you see that girls nose
Guy 2) Yeah that bitch gotta macktruck
by finklethetwinkle December 08, 2009
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A vehicle that a "macker" or a "mack daddy" would drive.
Going out tonight, Ive put some turbo in my mack truck, Im gonna be parking it in some bitches garage tonight!
by Richie dc November 24, 2005
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The huge space between a human's two front teeth that clearly indicates braces were necessary but not entertained. Now because of the zero igknowledgement to the issue to appears like you can drive a mack truck through the space. Although not reservered for poor white trash - it usually rears it's ugly head in that neck of the woods.
Jesus I can't even speak to that dude without totally being sucked in by his mack truck.
by Amy Resetarits January 11, 2007
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