When someone is suffering from persistent heartburn, 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 like it's time to call up his mom for a Dirty Lane session.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.