1 definition by DustyBottoms69

Top Definition
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

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug