look up any word, like fap:
Usually referred to by it's acronym B.S.R. A rash that develops, primarily in the South during the summer months, from an unfortunate combination of a poor or missed ass wipe and a prodigious ass sweat. Especially common among outdoor laborers and cyclists.
John never got a chance to do a proper clean-up after he sharted, so by the end of the ride his booty sweat rash was raging.
by Tom Barton February 24, 2008

Words related to Booty Sweat Rash

ass booty b.s.r. mud butt shart