call, n.¹ — Green’s Dictionary of Slang

call n.¹

[a pun on the religious use of call, a summons to a higher spirituality]

(drugs) the immediate response to an injection of a drug.

1968		‘Sl. of Watts’ in Current Sl. III:2 .
1969		Cressey & Ward Delinquency, Crime, and Social Process 823: Addicts speak of a ‘flash’ or ‘call’.