Top definition
A disgusting, ugly bitch. This bitch can: be too fat or too skinny; be too old or too young; wear too much make-up or not enough make-up; have a flat chest or a flat ass; or have hard-core acne that makes her unattractive.
Antonym of Biddy or Bitty.
Yo, I used to wanna bang Britney Spears, but ever since she got K-Fed up in her and gained some weight, I decided she was too y-dibb for me to want to touch.

Guy 1: Ew that girl looks like a Man
Guy 2: Oh I know her - that is Val - yeah, she is most definetly a ydibb
by Whiteness aka Ghost August 28, 2006
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