ryebuck
/ˈrʌɪbʌk
/adjective Australian informal
Good; excellent: I’ll prove I’m a ryebuck shearer...
- He's a ryebuck bloke. One of the best.
- Long before there was 'cool', there was ryebuck.
- This is ryebuck vintage wine.
Origin
Late 19th century: probably from German reibach or Western Yiddish reybakh 'profit'.