Green’s Dictionary of Slang

(US black gang) a regular user of crack cocaine.

1987		NWA ‘Boyz-N-The-Hood’ 🎵 The silly cluck head pulled out a deuce deuce.
1991		L. Bing Do or Die (1992) 54: Cluckheads just be wanderin’ around, looking for more dope to smoke.
2004		Afroman ‘Ghetto Memories’ 🎵 Cluck-heads walking up and down the block.
2014		‘Cop Slang’ at http://www.policemag.com 🌐 Cluckhead Crack cocaine user.