Green’s Dictionary of Slang

1. drunk.

1796		Sporting Mag. Mar. VII 344/1: At the hour of nine, I came away quite stupid, / Nor could with Diana run, or see more than cupid.
1821–6		‘Bill Truck’ Man o’ War’s Man (1843) 148: It gets itself so stupid, in the pouring o’t [i.e. grog] down it’s ain muzzle.
1870		East London Obs. 19 Mar. 6/6: I ain’t a lushington [...] I don’t see the sense of it —it ain’t serving life when you’ve got three parts stupid before the fun begins.
1879		Auckland Star 9 Oct. 2/8: he got hold of drink some how [...] He made himself quite stupid for three or four days.
1900		Bulletin (Sydney) 29 Dec. 14/3: The shanty-keeper didn’t know that Andy had been seasoned by his between-time short ‘drunks,’ and when he thought his victim had become stupid enough, he turned him into the ‘dead-house’ at the rear and piled round him a host of empty bottles.
1999		Eble Campus Sl. Nov. 12: stupid – excessively drunk.
2010		D. Mason Marching With the Devil 107: After the lesson, he went to the foyer, bought himself a case of beer, and drank himself stupid.
2017		A. De Bruyn Escaping the Amazon 240: Drinking and getting stupid was de riguer [sic] for us.

2. (W.I.) insignificant, small, contemptible.

1896

in Journal of Amer. Folklore Apr. IX 32: It da jump about, and shake him head, and do all kin’ o’ ’tupid ting.

3. (US campus) crazy, insane, absurd.

1986		T. Winton That Eye, The Sky 75: I drank myself stupid.
1992		D. Burke Street Talk 2 32: Take off that stupid shirt!
2006		D. Mitchell Black Swan Green 312: Men’d bet stupid vonga, wads of it.

4. (US campus) pleasant, popular, excellent.

1987		Arizona Dly Star (Tucson, AZ) Youth Beat 26 Dec. 8/4: Stupid: Crush. Def. Fresh. As good as it gets.
1992		D. Burke Street Talk 2 32: That hat is way stupid!
2005		A. Swartz ‘Sweet, Tight and Hella Stupid’ in S.F. University High School Update Mar.–Apr. 2: stupid – very cool, popular.

5. (US teen) of a quantity or price, large, exorbitant, e.g. stupid money.

1999		Eble Campus Sl. Nov. 12: stupid – [...] Large amounts: ‘That car costs stupid amounts of money’.
2002		‘Touré’ Portable Promised Land (ms.) 161: We Words (My Favorite Things) [...] Stoopid. Triflin. Trippin. Snappin.