Top definition
(noun)
1. a person who exhibits buttlike behavior.
2. someone who has constant reekage from the cheekage, and whose face resembles a butt
3. a person with a butty attitude
"Hey Tom can I borrow your iPod?"

"No man, never!"

"You're such a buttchmo!"
by buttchmoassassin April 28, 2009
Get the mug
Get a buttchmo mug for your grandma Nathalie.