Green’s Dictionary of Slang

sputnik n.

[SE sputnik, the Russian spacecraft (lit., ‘travelling companion’, ‘fellow traveller’) launched in 1957; it puts you ‘into orbit’]

(drugs) a mixture of Pakistani cannabis and opium.

[US] ‘Drug Sl. Vault’ on Erowid.org 🌐 Sputnik Opium / Cannabis (Pakistani) combo.