You catch a fresh fish, (with salt water and everything) still on it and immediately smother it with nacho cheese, thus, filling up the gills with nacho cheese. This taste is supposed to resemble the taste of a dirty asshole.
Nick: Hey Mark, so i was licking my girlfriends butthole, and it tasted likeFishy Butthole!
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.