1. (v) boner in sweat pants. Made popular by the Jim Rome Show.
When I saw that hottie doing squats at the gym I had some major bisp action going on.
by bispmaster May 03, 2008
Acronym for Boner In Sweat Pants, originates from the Jim Rome Show on the Premier Radio Networks.
So I woke up this morning and had some major morning bisp.

I was working out with my new female trainer the other day and inadvertently got a big bisp.
by DustyBottoms69 May 04, 2008

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