Green’s Dictionary of Slang

1. cocaine.

1994		UGK ‘Three Sixteens’ 🎵 I’m ready to catch a case but not for yayo, for a murder, mayne.
1996		UGK ‘Hi Life’ 🎵 Got all these little niggas slangin’ that yay.
1997		D. Lehane Sacred 105: ‘Cocaïna,’ he said. ‘Or yeh-yo as some call it’.
1999		K. Sampson Powder 96: He’d have to lay off the yaoh for a few days.
2001		ONDCP Street Terms 13: Jejo — Cocaine. [Ibid.] 23: Yeyo (Spanish) — Cocaine, Spanish term.
2007		UGK ‘Cocaine’ 🎵 They call it cocaine, coc-a-ina, yayo.
2012		Chief Keef ‘Kobe’ 🎵 I’m so Nowitzki bitch I’m Kobe I got plug with the yay.

2. crack cocaine.

1991		L. Bing Do or Die (1992) 59: We ain’t from nowhere, man, we just want a little Yay-o.
2001		ONDCP Street Terms 23: Yahoo/yeaho — Crack Cocaine. [Ibid.] Yeah-O — Crack Cocaine. [Ibid.] Yayoo — Crack Cocaine. [Ibid.] 23: Yeo — Crack.
2003		Simon & Burns ‘Hot Shots’ Wire ser. 2 ep. 3 [TV script] Let’s pool a few dollars together. I’ll get in some yeyo.
2015		J. Spades ‘Anytime I Want’ 🎵 My brudda phoned me, he got a pack in / Said he got the yay from north west.