Definitions by mufasa333

borner 

(can also be spelled as borener)

a boner caused by boredom. usually during math or history class

Person 1: dude, it's your turn to go write the answer out on the board. everyone's waiting

Person 2: i can't man, i got a borner! cover for me, will ya?

borner by mufasa333 October 1, 2007