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The patch of hair on a man's lower back by his belt line.
Hey dude, you might want to think about shaving that back bush it's growing wild and mangy out of them jeans.
by El Jeffe de Chicago January 30, 2009
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1. Hair generally located on or around the buttocks of a certain individual. normally found in the male gender.

2. Asshole hair

3. Asshole pubes
Hey dude, your Backbush is outta control. Shave your asshole
by OKBB June 29, 2013
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The hair that’s in your a$$
Samantha:Jim why you got so much hair in your ass
Jim: ohh that’s just my back bush
by JackelLight June 04, 2018
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1. A large Norwegian boy with a hairy backside.

2. The residue left in the ketchup packet.

3. Pertaining to Backbush
That kid is extremely tall and is from Borway he must be BackBush.

When you bend over I see your ass hair and it makes me feel uncomfortable, groom your BackBush.
by BackbushTwiggetsOK January 12, 2014
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