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1.
(bew-it) The dimple at the base of the back, often seen on attractive females. Occurs approximately at the location of the L4-L5 lumbar vertebra. Often a lower back tattoo or tramp stamp is positioned here. Masculine form: boit.
See that girl over there in the pink bikini? When she turns around, check out her buit, it's amazing!
by sirbrendan July 31, 2010
 
2.
slang term for colorblind person, or retarded mouse with a broken leg
Dan, Jake

Quit being such a buit, you cant even tell what color this is!

Dont be a buit, turn your hat around
by Evaaaan February 01, 2006