The act of placing a corn on a rotating drill to cleanse your anal cavity from the amount of shit that gets lodged deep into the rectum. The sexually deprived who butt finger themselves on a daily basis will benefit from anal drilling and possibly get off from the rotating sensation of the ricocheting corn cobs which they can eat afterwards.
Girl 1: What is that brown liquid running down Dong Dongs legs?
Girl 2: She's become so addicted to anal drilling, you could easily mistaken her Sphincter for a chocolate ring doughnut.
Girl 1: EWWWWWWWWW, I'm going to throw up, she needs to buy herself some butt plugs.