When your on the beach with a girl, you get your dick all sandy and stick it in her clam,hole
last night i was doing this and i asked her if she knew about the crustycrab, and then Bam! i gave here a serious crusty crab right into the clammed yam
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.