Green’s Dictionary of Slang

collies n.

[abbr. collywobbles n. (1), i.e. the effects of the drug on one’s stomach, or those that accompany withdrawal sickness]

(drugs) drugs, esp. heroin.

Show quotations
[Scot]I. Welsh ‘A Smart Cunt’ in Acid House 246: Whenever thir’s collies involved friendships go oot the windae, ken?
[Scot]I. Welsh Filth 77: You might get some info on the collies if we shake the fucker doon.
[Scot]I. Welsh Decent Ride 304: Ah droaps ma voice tae a whisper [...] a guid habit tae stey in whin talkin aboot collies.