the lint that collects in the recesses of a girl's ass. It is not discovered until the wiping of the area or an unexpected surprise by a person attempting to go doggy-style on the chick
Jarrod: "yo man I got inta some scary shit last nite bruh"
Jaquan: "Ah u mean when u went home with that chick. SHe a strait freak?"
Jarrod: "Yeah well I was bout to hit it from the back man and found out she had some BOOTY JAM!"
Jaquan: "U still hit dat?"
Jarrod: "Man u know how it be."
by RObJOb64 December 12, 2008
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Rocker chick with blue hair found at local metal shows attracted to long haired drummers.
"Well if it isn't Sam Slam and the Blue Haired Booty Jam" - Snake Boy
by DeBallz July 4, 2013
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booty, usually female, that looks so good that it creates traffic.
(girls walks by..)

man #1: Look at that traffic jam booty over there!

(groups of males...and cars..stop to look)
by pimpcess_07 May 12, 2005
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