ISMP is the abbreviation for 'I shate my pants'.
It's chievly used to shortly respond when other people enquire about YFP.
Teacher: What's wrong with you, Eric?
Eric's friend: Yeah, what's YFP, dude?
Eric: ISMP.
by obesity8039 January 15, 2011
Get the mug
Get a ISMP mug for your dad GΓΌnter.
buy the domain for your diy site