Green’s Dictionary of Slang

Joe Strummer adj.

[rhy. sl. = bummer adj.; ult. Joe Strummer (1952–2002), a member of the early punk band, The Clash (1977–86)]

unpleasant, disappointing.

[Scot]I. Welsh Trainspotting 120: Another total downer is being skint. Pure Joe Strummer, man.