1. fifty-one fifty - Adjective
2. fifty-one fifty - Verb
fifty-one fifty (third-person singular simple present fifty-one fifties, present participle fifty-one fiftying, simple past and past participle fifty-one fiftied)
(US slang) Alternative form of 5150.
fifty-one fifty (comparative more fifty-one fifty, superlative most fifty-one fifty)
(US slang) Alternative form of 5150.
He acts like he's gone fifty-one fifty.