dude 1: that was a great round of tennis dude 2: yeah dude, but we should have stopped earlier, i've got bum oil running down my leg
the unfortunate event when fecal residue is left around the anus and the person in question does an activity which involves great exertion
"dude 1: that was a great round of tennis dude 2: yeah dude, but we should have stopped earlier, i've got bum oil running down my leg" What is the definition of "bum oil"?