Green’s Dictionary of Slang

cris’ adj.

also criss
[crisp adj.1 (2)]

(W.I./UK black teen) used of anything rated as new, fashionable, attractive etc; thus crissly adv.

[UK]London Posse ‘Livin’ Pancoot’ 🎵 My girl’s cris’ / Ten out of ten.
[UK]V. Headley Yardie 54: A criss car, jewellry, and nice clothes.
[UK](con. 1979–80) A. Wheatle Brixton Rock (2004) 151: Juliet telling Brenton how criss he would look in a new suede jacket she had bought him. [Ibid.] 195: The door [...] opened to reveal a crissly dressed Carol.
[UK](con. 1981) A. Wheatle East of Acre Lane 125: You gonna look criss in dat dress.
[UK]G. Krauze What They Was 168: Making sure he looks cris .

In compounds

criss biscuit (n.) (also crisp biscuit)

(W.I./UK black) of people or objects, attractive, fashionable, smart.

[WI]Francis-Jackson Official Dancehall Dict. 12: Criss-biscuit well-dressed person; very attractive.
[UK](con. 1979–80) A. Wheatle Brixton Rock (2004) 75: I’ve got this wicked Brixton suitcase, brand spanking, crisp biscuit and officially new.