Green’s Dictionary of Slang

Tyson n.

[proper name James Tyson (1819-1898) Aus. ‘cattle king’ and first self-made millionaire]

(Aus.) beef.

Show quotations
[Aus]‘6x8’ [Dick Holt] in Bulletin (Sydney) 7 Aug. red page/3: Beef - ‘Tyson.’ Old. Tyson runs mostly cattle, and the main diet on his stations is beef.