A piggalo is simply a man/woman who makes up for his/her uglyness by being as big a whore as they can, for instance the fat chick at the partys who always wants some and is willing to do whatever it takes to get a shag.
Man1:"Fuck!!!, shes snogged 6 guysalready and she's got the face of a boot"
Man2: "yeah what a piggalo"
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.
"Base we've got some square groupers floating outside of Miami harbor."