SE in slang uses
(Aus. Und.) an aspirant gangster.
|Neddy (1998) 154: This particular night they were all there, including Terry Ball (a real nutter), Roy Thurgar (a very good boxer) and that old Saturday [would-be] gangster Billy Stevens.|
|Warwickshire Word-Book 199: Saturday-night. Wages. ‘If I have a good Saturday-night, I’ll buy the nipper a pair o’ boots.’ ‘Have you drawed your Saturday-night?’.|
see Monday morning quarterback n.
a mistress whom one sees only at weekends.
|Pitcher in Paradise 37: Something very choice that he was taking down to ‘Saturday-to-Monday’ at the Pavilion.|
(mainly school/provincial) Easter Saturday.
|Dict. of Modern Sl. etc.|
|, ,||Sl. Dict.|