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."