Green’s Dictionary of Slang

1. a crowd, a crush [scrouge v. (1)].

1839		C. Clark J. Noakes & M. Styles 23: ‘How they can doe that there,’ cried John, / ‘It wholly beats me out! / Agin these shows, oh, what a scrowge!’.
1874		J. Greenwood Wilds of London (1881) 125: The bar of every room is crammed, just like the scrouge at the door of a threepenny gallery at the theatre.

2. (US campus) anything considered unpleasant, e.g. a tedious lesson.

1856

B.H. Hall College Words (rev. edn) 406: scrouge. An exaction. A very long lesson, or any hard or unpleasant task.

3. (US) an act of sexual intercourse [scrouge v. (4)].

c.1895

Actionable Offenses ‘Slim Hadley on a Racket’ (2007) [cylinder recording ENMS 30190] ‘You just give me a dollar!’ ‘You just go and scratch your ass—Jesus, no scrouge, no dollar, that’s the way it is with me’ ‘You give me a dollar or I’ll have you arrested’ ‘You go shit in your hat, you damn gall bladder’ [Laughs] . No dollar, no scrouge, no scrouge, no dollar’ [Laughs].