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 shaggy: most shaggy.

"The series lasted for six years, and the final episode of St. Elsewhere went into one of the hoariest, shaggiest, worst science fiction and fantasy cliches of all, stopping to offer homage to all kinds of major TV shows along the way."