To get owned in online gaming (mainly Call of Duty) to the point of rage quiting.
After Game lobby on MW2
Mr Chang: Holy smokes BeawClaw not bad.
Bearclaw: Yeah FIZZY POPZ you just got bearclaw'd.
FIZZY POPZ: ahhh you guys suck ...rage quit...
Bearclaw: lol good fight?
To take a large portion or the majority of the food that was intended for the entire group (usually as a result of being drunk or a fatty in the group).
"Dude, Eric just bearclaw'd the shit out of that pizza. What a dick!"
"You see the way she's bearclawing those nachos??? She's going to dutch oven the entire room!"