Grab your partner by the neck, then reach over with your free hand and play with their junk as if plucking a cello...while having a 2 lb potato stuffed up their ass.
Cellist: Man my fingers are tired from playing that Bach concerto on the Pocatello cello last night!
Cello: Your hands are tired? How you think my asshole feels after shitting out 2 1/2 lbs of taters and gravy?