1.a person's home or domicile.
Derivation: a shortened version of the common slang term crib or cribs
Origin: believed to have been started in the Fenway area of Boston in the mid 90's but later spread to, and more commonly currently found in use, in the desert southwest.
Yo cuz, I'm broke ass hungry. I'm bout to break back to my YIBS and get my eat on.
Acronym for "Yeah, I'm being sarcastic."
Dad: I wish I was as cool as you when I was in High School.