A really skinny person (usually a girl) who is a teen or in their 20's. The term is used to describe someone who can fit into a size 0 pair of jeans made by Abercrombie because the Abercrombie size zero jeans are tiny.
Jealous Girl #1: Ugh look at Becky she is soooo skinny! I wish I looked like her!
Jealous Girl #2: I know! She must be an abercrombie zero!
Jealous Girl #2: I know! She must be an abercrombie zero!
by abercrombie8 May 10, 2008