lamous, adj. — Green’s Dictionary of Slang

lamous adj.

[? the name of a Chicago company that made fake jewellery]

(US tramp)

1. cheap, inferior, esp. of jewellery.

1914

2. of a person, harmless.

1916		‘A-No. 1’ Snare of the Road 95: [He] was considered to be a most ‘lamous’ (harmless) chap by every hobo I heard mention his standing in the fraternity.
1927		‘Jargon of the Und.’ in DN V 453: Lamous, Harmless.