Green’s Dictionary of Slang

crisp adj.¹

1. (also crispy) new, interesting.

1889		Dead Bird (Sydney) 16 Nov. 3/2: The Dead Bird is the liveliest, crispest, rortiest, freshest, flyest paper ever published.
1902		Truth (Sydney) 31 Aug. 8/3: Two that house the crispy Johnnies / With a lady each, one night, / Entered, and that married one he / Were especially most tight.
1911		Truth (Sydney) 26 Feb. 12/4: For he knows that some fine day / That some other crispie Johnnie / May come smoogin round her way.
1923		J. Manchon Le Slang.

2. excellent, first-rate, attractive.

1966		Baltimore Sun (MD) Sun. Mag. 10 July 4/1: If it’s your own sports car , you’re crispy, friend, you’re really cherry. Both cripsy and cherry mean anything good .
1995		G. Small Ruthless 228: You come in ... crisp [well-dressed] and a spend you money.
2015		J. Spades ‘Slick Rick’ 🎵 I drive crisp whips, getting to mischief.

In compounds

SE in slang uses

In phrases