Used to describe a moment or person that is fail and or quick to anger, usually involving games and/or work.
Dude I just totally coberted all over my keyboard.

That cobert just messed up so bad I think hes screaming in his mic right now

Fuck man why can't that cobert get this down I think we need to explain the fight one more time, I think we got it next attempt though.
by Mike Sanchez the Third December 1, 2010
A man with an exceptionally large Ding Dong
Get ready to take my Henry Cobert sized cock
by MattNellie September 18, 2018