2 definitions by andyGILL

1

A sac used to hold one's saggy butt (usually caused by being a buttslut).

Jas has a buttsac the size of a parachute.
Jas sometimes has to use 2 buttsacs, double wrap.

by andyGILL July 08, 2005

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2

A strap used on the butt, usually if the butt is too saggy.

Jas wears his buttstrap way too tight.

by andyGILL May 31, 2005

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