When it's so hot and humid outside and your ass and taint area sweat, you get an erection just by your wet underwear.
by Brigado May 3, 2011
Get the sweat bonermug. 1.When one achieves a penile erection whilst wearing sweat pants, making the erection extremely noticeable
2.a stiffness of the sweat pant
2.a stiffness of the sweat pant
by D-bo January 20, 2007
Get the sweat pant bonermug. by Mr. Bitches April 18, 2008
Get the Boner Sweatsmug. by Mr. Bitches April 20, 2008
Get the Boner Sweatsmug.