menavelings, n. — Green’s Dictionary of Slang

menavelings n.

[? link to naut. jargon manarvel, to pilfer from the ship’s stores]

odd money remaining after the daily accounts are made up at railway offices.

1864, 1867, 1870		Hotten Sl. Dict.
1889–90		Barrère & Leland Dict. of Sl., Jargon and Cant.
1890–1904		Farmer & Henley Sl. and Its Analogues.
1895		C. Crowe Aus. Sl. Dict. 49: Menavelings, anything remaining after accounts are consulted for, or after a banquet.