When someone is suffering from persistentheartburn, and the only relief is to have one twin toss his salad while the other twin defecates down his throat. All while this is going on, it's not an official Dirty Lane unless he is also fucking his mom's funbags with his flaccid cock taped to a Popsicle stick.
John just went to Taco Bell and we're all out of Tums. Looks likeit's time to call up his mom for a Dirty Lane session.
the act of getting your dog(s) to suck you of and cum then use its buthole to clean out the rest of the cum or putting peanut butter on your balls and getting your dog to lick it of for a burst of pleasure