Uncle Sham, n. — Green’s Dictionary of Slang

Uncle Sham n.

[SE sham, fake; coined by the US protest movement to ridicule the hollowness at the heart of the so-called ‘American dream’]

(US black) a derog. version of Uncle Sam n.¹

2003

‘Solutions: American Revolution 2’ on AmericanStateTerrorism 🌐 Uncle Sham is a corporate mafia thug with a gun pointed to the world’s head. His itchy finger is on the trigger — and he really enjoys murdering people.