Green’s Dictionary of Slang

sho’ ’nuff adv.

also sho’ ’noff, sure ’nuff
[SE sure enough]

(US) definitely, certainly.

Woolwich Gaz. 8 Sept. 3/5: ‘Whar I hit you?’ ‘In the calf of this leg.’ ‘Hit you sho’ nuff, did I?’ ‘Of course you did’.
[US](con. 1850s) R. Bradford Kingdom Coming 84: Hit ain’t but one sho-’nuff free and dat’s in heab’m.
[US]Z.N. Hurston Jonah’s Gourd Vine (1995) 92: ‘Glad tuh see me, Lucy?’ John asked [...] ‘’Course, John.’ ‘Is you only mouf glad or yuh sho nuff glad?’.
[US]C. Himes ‘The Something in a Colored Man’ in Coll. Stories (1990) 406: Ifn you gonna bet sho nuff make it a fin.
[US]C. Himes Real Cool Killers (1969) 40: ‘A dead adolescent who’s called a Real Cool Moslem.’ ‘Sho’ ’nuff cool now,’ Haggerty slipped in sotto voce.
[US]W.C. Anderson Penelope 178: Ah’m sho’ nuff glad to heah that.
[US]N. Heard Howard Street 226: Ahm sho’ nuff glad they got that dicklicker, man.
[US]O. Hawkins Ghetto Sketches 70: I knew some cats who converted and they sho’ ’nuff righteous got they shit together.
[US]D. Goines Street Players 147: Some sure nuff good jive.
[US]N. Heard House of Slammers 43: Lordy! [...] Chile, that sho-nuff hit the number!
[UK]J. Mowry Way Past Cool 40: Maaaan, you sho nuff got some foxes in this here town!
[US]C. Cook Robbers (2001) 13: That brake fluid done stained my pants. The Ranger took a look. I’ll be, it sure nuff did.
[UK]L. Theroux Call of the Weird (2006) 192: I’m out there tryin’ to chase that cheddar, ’cause cheddar sho ’noff make it better.