When it's so hot and humid outside and your ass and taint area sweat, you get an erection just by your wet underwear.
Why is this wedding outside? It's over 95 out here! I'm getting a sweat boner just standing here.
by Brigado April 14, 2011
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1.When one achieves a penile erection whilst wearing sweat pants, making the erection extremely noticeable
2.a stiffness of the sweat pant
1." I can't get up right now, everyone will see my sweat pant boner."
by D-bo January 17, 2004
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Tight sweatpants that when worn accentuate the engorged male genital.
Dude, did you see Joe? He has his boner sweats on... awkward.
by Mr. Bitches April 18, 2008
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Tight sweatpants that when worn accentuate the engorged male genital.
Dude, did you see Joe? He has his boner sweats on... awkward.
by Mr. Bitches April 20, 2008
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