Green’s Dictionary of Slang

chinch n.1

[Sp. chinche, a bedbug]

1. (also chink) a bedbug; thus chinchy adj., infested with bugs.

[US]R.F. Burton City of the Saints 198: The floor was knobby, the mosquitoes seemed rather to enjoy the cold, and the banks [i.e. sleeping benches] swarmed with ‘chinches.’ [Note] The chinch or chints is the Spanish chinche [...] In other parts of the United States the English bug is called a bed-bug.
[US]Schele De Vere Americanisms 134: Among these the most undesirable are probably the two vile companions, which we apparently shrink from naming in good English, the chinch and the mosquito.
[US]J.W. Carr ‘Words from Northwest Arkansas’ in DN III:i 74: chinch, n. Bed-bug. ‘Chinches are hard to get rid of.’.
[US]L.W. Payne Jr ‘Word-List From East Alabama’ in DN III:iv 298: chinchy, adj. Full or infested with bedbugs.
[US]Day Book (Chicago) 7 Nov. 28/2: That wary, night-faring, blood-sucking, little animal [...] ‘bedug,’ ‘chinch,’ ‘mahogany flat,’ ‘red coat’ or ‘wall louse’.
[US]Odum & Johnson Negro and His Songs (1964) 159: Honey babe, honey babe, bring me de broom. / De lices an’ de chinches ’bout to take my room.
[US]J. Tully Bruiser 146: The cinch bug, the Hessian fly, the locust of old, he fought all in turn.
[US]Mezzrow & Wolfe Really the Blues 34: I found out then that chinches never die.
[US]Hughes & Bontemps Book of Negro Folklore 482: chinch: A bedbug. That rooming house is just full of chinches.
[US]J.D. Macdonald Slam the Big Door (1961) 172: Chinch bugs, red bugs.
[WI]F. Collymore Notes for Gloss. of Barbadian Dial. 29: Chink. Bed-bug.
[WI]C. Hyatt When Me Was A Boy 133: One day ah see a chink – y’nuh know, a bed bug – inna one a them.

2. a term of affection, usu. aimed at a child.

[US]C. Cooper Jr Scene (1996) 44: You little no-good chinch!

In compounds

chinch pad (n.) [pad n.2 (2)]

(US black tramp) a very low standard of rooming house or hotel.

[US] ‘Jiver’s Bible’ in D. Burley Orig. Hbk of Harlem Jive.
[US]Hughes & Bontemps Book of Negro Folklore 482: Chinchpad: A hotel, a cheap rooming house.
[US]Wentworth & Flexner DAS.
C. Major Dirty Bird Blues 136: Her room was a chinch pad, no bigger than some people’s closets with an old lumpy bed taking up most of the room.
[US]K. Huff A Steady Rain I i: The elbow-bender still lives in this one room chinch pad looking over an alley.