we wuz robbed!, excl. — Green’s Dictionary of Slang

we wuz robbed! excl.

[coined by US boxing Manager Joe Jacobs, manager in 1932 of the German world heavyweight champion Max Schmeling (1905–2005). Defending his title in America, Schmeling systematically destroyed his opponent but was still declared the loser, outpointed by the challenger, local boy Jack Sharkey (1902–94). Jacobs’ phrase made his feelings plain]

we were cheated!

1932		J. Jacobs 21 June cited in Shaprio Yale Bk Quotations (2006) 386/1: We wuz robbed.
1985		B. Robinson Aussie Bull 25: My team was never beaten but often ‘we wuz robbed’ by the ref. or umpire.
2002		Guardian 23 Jan. 🌐 Poor results from the indigenous are tolerated. There is even a tradition that failure does not actually denote the absence of success (‘We wuz robbed’).