Green’s Dictionary of Slang

nice adj.1

(US black) feeling well, happy, at one with the world, esp. as a result of taking drugs or drink.

[US]‘Hal Ellson’ Duke 3: That’s the way I dig it. I do it nice.
[US]C. Cooper Jr Scene (1996) 10: I used this mornin and I’m still nice.
[US]A. Young Snakes (1971) 56: Let’s put on some sounds while we got our heads nice.
[US]Simon & Burns Corner (1998) 123: I’m nice [...] What can I say? I have skills.
[US]Source Aug. 48: The Dog’s a little nice right now; he doesn’t mean what he’s saying.

In phrases

make nice (v.) [trans. of Yid./Ger. usage] (US)

1. often as admonition, to be friendly or considerate, to behave oneself.

[US]Laurents & Sondheim West Side Story I i: You’re gonna make nice with them PRs from now on.
[US]N. Spinrad Bug Jack Barron 26: Make nice, Jack, baby, he warned himself grimly.
[US]Fantastic Four Annual 11: Awright spoilsport – I’ll make nice with our little guests – fer now!
[US]G.V. Higgins Patriot Game (1985) 24: It’s a little under fifteen years, if you make nice and don’t stir up any ruckus.
[US]‘Jack Tunney’ Split Decision [ebook] Now that I didn’t have to worry about making nice with Whit, I could let that tiger out of its cage.

2. to curry favour, to act in a friendly manner (whether or not one means it).

[US]J. Ridley Love Is a Racket 49: What are you trying to do? Make nice so I’ll go soft on you?
[US]J. Stahl Plainclothes Naked (2002) 105: Mom wanted to make nice. Alibied her pride and joy.

3. to caress.

[US]‘Randy Everhard’ Tattoo of a Naked Lady 121: She made nice with my nads.
[US]E. Weiner Drop Dead, My Lovely (2005) 178: A woman comes along and says lets make nice.

SE in slang uses

In compounds

In phrases

nice pair of eyes (n.)

see under eye n.

nice up (v.)

1. (W.I.) to improve, dress up esp. to ingratiate oneself.

[WI](con. 1940s) L. Bennett ‘Solja Bwoys’ in Jamaica Labrish 97: Go train up strong an fit, / Nice up yuh self, look boasify, / Galang go do yuh bit.
[UK]R. Hewitt White Talk Black Talk 116: The aim especially being to brighten up the party [...] to ‘nice up the dance’.

2. (UK black) to improve, to make things good for.

[UK]A. Wheatle Dirty South 32: To further nice up my wallet [...] I was also shotting [...] anywhere else where skunk was craved.