Top Definition
A lack of definition in the glutular region, commonly seen as an almost imperceptible transition between butt and thigh. Often the butt and thigh may appear to be a single, amorphous shape. (pronounced buh-thigh)
Every time Kaitlin "accidentally" changes in front of me, I am lucky enough to see what a buthigh looks like unhindered.
by Saralita April 17, 2007
1 more definition
Bu-thigh

1 the area where the butt cheek and the top back of the thigh meet
I know this girl with a really sexy tattoo of a dragon just below her ass on her buthigh
by Tullihia! July 28, 2009

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