When you have sex with a girl during her period and then wipe your bloody dick on her lip to give her a red moustache like Lanny McDonald, the legendary Calgary Flames hockey player.
My girl is on the rag so I gave her a Dirty Lanny last night.
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.