Green’s Dictionary of Slang

1. a dubious person, a doubtful thing.

1833		‘Flare Up!’ in Rake’s Budget in Spedding & Watt (eds) Bawdy Songbooks (2011) III 65: Poll Fluffy, she stood near six feet, / Shufflems, queerems, she stood no gammon.
1844		New Sprees of London : Why, my tulip, if you think my palary is queerums, if you've not got faith, it's no use to yatter to a Jos.
1855		Yokel’s Preceptor 31: Shickery, [...] Queerums, Any thing or person that is bad or doubtful: no good.

2. (UK Und.) slang.

1846

Swell’s Night Guide 61: cracksman: What a flat, send I may live, if he can stag chaff from square patter; why, you nunk, couldn’t you tumble to the pallary, nanty tumble to the queerums, a foggy nobbed’un?