look up any word, like smh:
 
1.
Word used to express stupidity. Best used in a Valley girl voice. Can also be used as just Dert.
Girl 1: Oh shit! I spilled my coke!

Girl 2: Ha! Dert dert.
by Jessica Bettina September 04, 2006

Words related to Dert dert

dert loser retard stupidity