This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. superlative form of bitchy: most bitchy.

"Hells yeah we loved her on Ugly Betty, and here it seems that she's pured the best, bitchiest parts of her Wilhelmina Slater into the form-fitting role of Renee, Lynette's married-to-money former college roomie."