bumderpants 

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 enormous wedgie!
These bumderpants keep riding up my ass crack - ouch!
I can see her bumderpants through that sheer skirt.

bumderpants by Ran6da September 15, 2017

burgerpants 

A 19 year old who already wasted his entire life. Smokes a cigarrete. Gives horrible live advice.

bURGERPANTS!!!!!!

burgerpants by Not 3 Kids in a Trench Coat July 3, 2017

bummerpants 

A term used to describe deep frustration and sadness

created by Caitlin Moynihan

"Your stuck in traffic? Bummerpants!"

bummerpants by emnkels December 5, 2010

Cumderpants 

A soiling of the underpants resulting from a wet dream or accident during a lap dance. Common amongst teenage boys.

Bob had a wet dream so his mom had to wash his cumderpants.

Cumderpants by Schillbj April 20, 2009

butterpants 

Used in a complimentary context. One, usually female, appearing to have a execellent pair of jeans and a butt to go with them.

"Hey Jake, your girlfriend Katie sure has got some butterpants going on there yo."

After thinking it over, Jake concluded that Katie did indeed have a fine pair of butterpants.

"Katie, your butterpants are rockin b."

butterpants by J-Mexi April 6, 2006

Saucy Butterpants 

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."

Saucy Butterpants by Ginger Gawd August 19, 2008

cumderpants 

cum or vaginal discharge on your underpants due to general horniness and presense of an active teenage vagina.

"Hmmm, should I wear Olivia's Bratz underpants or my cumderpants?"

"Your cumderpants. You don't want uneven flap disease."

cumderpants by i love bj March 25, 2010