beat pad, n. — Green’s Dictionary of Slang

beat pad n.

[SE beat(nik) + pad n.² (2)]

(US drugs) a place where drugs are consumed.

1938		M. Berger Tea for a Viper cited in Spears (1986).
1940		‘Jargon of Marihuana Addicts’ in AS XV:3 Oct. 336/2: beat pad. A place where inferior [marijuana] cigarettes are sold.
1957		E. & S. Deak Grand Dictionnaire d’Americanismes cited in Spears (1986).
1960, 1975		Wentworth & Flexner DAS.