aroma, n. — Green’s Dictionary of Slang

aroma n.

also aroma of man, ...of men

[amyl nitrite, used in medicine to stimulate the heart and recreationally to enhance the moment of orgasm, has a strong ‘rotten banana’ smell]

(drugs) amyl nitrite.

1977		L. Young et al. Recreational Drugs.
1984		Abel Dict. of Drug Abuse Terms.
1989–2003		R.O. Scott Gay Sl. Dict. 🌐 amyl nitrite: [...] Syn: aroma of man.
2001		ONDCP Street Terms 2: Aroma of men — Isobutyl nitrite.