Bummer pants:n: Pants worn generally by a female that are so tight that they are damn near impossible to take off when you are trying to start the action of sex hence cockblocking. Bummer pants are sometimes wore on males as well
Jacob: Dude I was totally about to fuck this one chick I met at the concert last night but she had her bummer pants on :O
A true Italian man beast with at least six illegitimate children. He likes all women, some men, and the occasional animal. He is known for his expressions and loud noises, often of the hilarious variety. He plays drums in marching band, but still impregnates at least 4 girls a weekend, then encourages most of them to get abortions.
"Hey Saucy Butterpants want to go to a movie this Friday night?"
"I would like to but I have to work to provide child support for my many kids. Also, I have to fashion a tool used for abortions from a clothes hanger."
Any variety of underpants where the buttocks are visible due to the fact the fabric has gathered into the butt crease revealing the cheeks.
Man these bumderpants are giving me an enormouswedgie!
These bumderpants keep riding up my ass crack - ouch!
I can see her bumderpants through that sheer skirt.