Rimming (licking) the arsehole while spanking the buttocks.
"Bitsy from Sexpots loves it when I give her the Rusty Bass Drum."
2π 1π
When feces accidentally sprays out of the anus during the course of performing a lawnmower and is addressed by tapping it back into the anus, much like beating on a bongo drum.
How'd that orgy go, Max?
Oh, not too well, Horace. I had to administer a rusty lawnmower bongo drum. You see, I got a little wild with my pull on the anal beads and had to bust out my Billie Jean drum beats to quell the flow of ass butter. Thank God my 4-4 timing was impeccable otherwise it may have been much worse.
8π 4π
The act of tounging a male asshole while patting or "drumming" the testicles
Doug gave me a fantastic Rusty drum last night before i gave him a rusty trombone