The act of imitating a drummer, usually as to
tap one's fingers on a
table or dashboard, sometimes to
tap your foot (usually for the bass drum effect), in sync to a song playing.
"Would you stop drummering to
Pantera; it's getting annoying."
or
"Do you know who plays drums for Slayer?"
"Yeah, Dave Lombardo. Why?"
"
Well, let's keep it that
way. Stop drummering. Douche."