Glasgwegian/Used to describe something, mostly someone, who is really, really, nice looking. heard by drunken single mothers in kebab houses chatting up the elderly chinese man behind the counter.
Woman.See that chinese guy behind the coonter? Ah wis getting a bulge jus' looking at him!
Woman 2. Ah no, he's a heavy shag, in't he? Gies a chip, ya tight cow.