1 definition by Bfwpain
Derpping is a term used when someone is doing some completely stupid action. In which makes other slightly or highly pissed off.
*announcer*: your team lost.
*player1*: OMG MY TEAM WAS DERPPING AROUND!
teacher: what's 1+3=?
Dennis: ummm pickles?
Teacher: DENNIS WERE YOU DERPPING AROUND AGAIN?
*player1*: OMG MY TEAM WAS DERPPING AROUND!
teacher: what's 1+3=?
Dennis: ummm pickles?
Teacher: DENNIS WERE YOU DERPPING AROUND AGAIN?
by Bfwpain November 4, 2011