Green’s Dictionary of Slang

1. injectable amphetamine.

1971		Chronicle-Telegram (Elyria, OH) 16 Mar. 2/6: For example, the amphetamines are identified on the chart as ‘bennies,’ ‘peaches,’ ‘speed,’ ‘uppers,’ ‘cartwheels,’ ‘co-pilots,’ ‘wake-ups,’ ‘dexies,’ and ‘bombido.’.
1981		D.E. Miller Bk of Jargon 337: bombita, bombido: Desoxyn or other amphetamines.
2001		ONDCP Street Terms 4: Bombido — [...] injectable amphetamine.

2. heroin, esp. when mixed with cocaine.

1975		cited in Spears Sl. and Jargon of Drugs and Drink (1986).
1990		S. Morgan Homeboy 77: Rooski plunged the bombida into his bloodstream. His angled frame snapped rigid [...] his eyes shot fire like sparklers.
2001		ONDCP Street Terms 4: Bombido — Heroin.

3. a form of depressant.

2001

ONDCP Street Terms 4: Bombido — [...] depressants.