Green’s Dictionary of Slang

(N.Z. prison) that officer who takes prisoners’ urine samples.

2001

D. Looser Boobslang [U. Canterbury D.Phil. thesis] 62/2: drug dog n. l the officer who takes inmates’ urine samples to be tested for evidence of drug use.

(US) a consumer of illicit recreational drugs.

1968		in Look 6 Feb. 76: Violence by some freaked-out drughead [HDAS].
1969		Comprehensive Narcotic Addiction and Drug Abuse Care and Control Act of 1969: Hearings 269: One of the great myths of the day is that if a child goes wrong, becomes a drughead, for example, this must be due to parental failure.
1971		B. Moyers Listening to America 107: Rebels, freaks, drug heads, runaways.
1999		J. Slater Baby Can Sing 106: It figures that the only person in this place who might come to his aid is some useless drughead who doesn’t have any brain cells left.
2004		www.zenhex.com 22 Sept. 🌐 Are you a drughead, alcoholic, or both?

(N.Z. prison) a narcotics detection dog.

2001

D. Looser Boobslang [U. Canterbury D.Phil. thesis] 62/2: drug mutt n. the police narcotics detection dog.

(N.Z. prison) the handler of the drug detection dog.

2001

D. Looser Boobslang [U. Canterbury D.Phil. thesis] 62/2: drug pig n. the police officer in charge of the narcotics detection dog, the dog­ handler.

a drug dealer.

2000

J.J. Connolly Layer Cake 9: Everyone wants to be a drugsman.