A fork of Rural Dictionary
Meaning a horse that is very fit and ready to race.
She was on the muscle going up to the paddock
a tissue that is specialized to undergo repeated contraction and relaxation, thereby producing movement of body parts, maintaining tension, or pumping fluids within the body.
I be bangin' dat ho so long, her taint broke now I be slippin' in da wet paper bag muscle
to overcome someone with physical force.
Grant had a whiskey and decided to muscle his girlfriend.