The act of bigging oneself up unnecessarily through a gaming headset and not being unwilling to do so in person. Squeaking loudly through said device.
I was on the PS3 last night and everyone was giving it MrMouse at me.
by Cybermanc9 October 14, 2010
A loud mouth, obnoxious, irritating southerner who talks crap and just can't help themselves.
Did you here MrMouse talking crap, what a dick!
by Ps3 gamer January 12, 2011