Piggalo
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 guys already and she's got the face of a boot"
Man2: "yeah what a piggalo"
Man2: "yeah what a piggalo"