By definition, a fagstamp is a derogatory term used to describe somone as having characteristics of both male and female; though it can be used synonymously with a multitude of flaming or offensive nounage, e.g. j00b,newfag,nooblet,/b/tard
Etimology: Origionaly coined by "port3024"
Traditional: Wtf is this fagstamp up to? should we hit on it?
Ambiguous: stfu fagstamp, go cry, lonely and in a corner.