joel: yeah dude, i just finished my new dub5tep song, did you hear it?  tommy lee: yeah dude, it made me mouse off
or mau5 off: the act of masturbating to, near, or while listening to the electro music sensation deadmau5
"joel: yeah dude, i just finished my new dub5tep song, did you hear it?  tommy lee: yeah dude, it made me mouse off" What is the definition of "mouse off"?