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1.
Commonly used in Eastern Areas of Scotland as a part of the Scottish Vernacular, used as a substitute for basic medicinal names (Like Lemsip) when light use of treatment is needed.
"I could do with some Smuge"

"Mum, I feel terrible, do we have some Smuge"

"Eh guys, going to the shop to get some Smuge and some supplies"
by MacNoo. November 01, 2009