Describes a person with an insatiable appetite for swag(stuff we all get). Most likely derived from the expression "ham hound" which describes a person who hangs around the buffet table at a party eating all the ham.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)