Green’s Dictionary of Slang

1. all-purpose term of great approval.

1967		M. Anthony Green Days by River 42: You looking major, man major.
1972		B. Rodgers Queens’ Vernacular.
1982		Dly Record (Morristown, NJ) 28 Oct. 25/4: This is some mondo cool babe who is absolutely major.
1989		P. Munro Sl. U.
1992		K. Lette Llama Parlour 90: We are talkin’ [...] Major Cute.
2001		OnLine Dict. of Playground Sl. 🌐 Major adj. Used in similar fashion to ‘brilliant’ or ‘cool’. Often used alone, or to describe something or as a substitute for the word ‘really’.

2. large, extreme, a lot of.

1982		M. Pond Valley Girl’s Guide to Life 59: Major cool is clearly the best.
1991		C. Hiaasen Native Tongue 29: I saw a couple of hot ones out by the swimming pool. Major titties.
2002		D. Shaw ‘Dead Beard’ at www.asstr.org 🌐 I had to have it away on my toes somehow before I got into major barney rubble myself with him.
2008		‘Grandmaster Flash’ Adventures 121: ‘We major. We already outgrown every hall, gym, rec center, P.A.L., and community room in the Bronx’.
2010		L. Redhead Thrill City [ebook] They had a big argument [...] Major scene.
2012		M. McBride Frank Sinatra in a Blender [ebook] Couple’uh guys hit that credit union and got away with major cash.