A term for those who shop primarily at the clothing store Abercrombie & Fitch. The term usually has negative connotations. The speaker usually applies it, unfairly, to someone they do not know.
Jane: Oh my GOD she is such an Aberzombie! I bet she's a stuck up, anorexic bitch too.
Jill: Jane, be nice. I bet she's perfectly nice. You really shouldn't judge people by the way they choose to dress. If she feels comfortable in those clothes, then I respect her.