Green’s Dictionary of Slang

chingus n.

[var. on dingus n.]
(US)

1. the penis [note Sp. sl. chingar, fuck v. (1)].

[US]Berrey & Van den Bark Amer. Thes. Sl.
J.E. Schmidt Lex. of Sex.
[US]B. Rodgers Queens’ Vernacular.
W. Borden ‘La Pétaudière’ in Libido mag. 🌐 Her applesauce is my appetizer. My chingus? Chow down! She bites my bologna and mangles my masher. She bruises my bratwurst. She schnitzels my wiener. She gallimaufries my gazongas.

2. any unnamed object.

[US]P. Dickson Words (1983) 136: Chingus Generally a hoodus that is old, blemished, or obviously defective; a stale jiggus for example.