Australian origin. Refers to the "bum cleavage" displayed most commonly by builders on construction sites, as their shorts or pants "slip". Pants worn by males at the mid-buttock level.
See Builder's Bum etc.
A: Check out that Builders Crack.
H: Nothing better than a bit of builders crack coming out of a noice pair of terry towelling shorts.

by Sidney Lambert November 5, 2006
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To be so constipated, only masonry utters forth.
"Where's Sam?"
"He's got the builders in"
"But he's been gone an hour"
"He's. Got. The. Builders. In."
by SAMMO October 31, 2013
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A term used to describe any asian person in Canada who helped build the Canadian railway. Also used to describe the Canadian descendants of the asians who helped build the railway: i.e. most asians in Canada.
"Hey railroad builder, get out of my store!"

"Holy shit there are a lot of railroad builders living on spadina avenue!"
by Steve August 30, 2004
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The process of stapling a girls vagina shut and then taking a shit on it and rubbing it around.
Johnny boy came over and we played Bob The Builder and now my vagina hurts
by I build like Bob February 4, 2011
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A fag made of clay. he fucks his bitchy coworker made of clay and her cat...which is also *Suprise* made of clay. he painted eyes and mouths on his consruction vehicles and likes to talk to them.

Whispers: we know hes on crack.
"bob the butthole! can we fuck it?

Bob the butthole! We are Fags!
by fag January 20, 2005
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when your balls(testicles) or bulge get seperated between your boxers, panties, shorts, or pants to form a crevise
John: Man today in math i had such a bad builders cleft
Mark: Those hurt like hell. I had one yesterday during science.
by mrs garnem1990 April 18, 2007
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