Green’s Dictionary of Slang

Ada n.

(S.Afr. gay)

1. a German homosexual; also as adj.

[SA]K. Cage Gayle 52/2: Ada n. 2. a German homosexual (There are a lot of Ada tourists in South Africa these days.) [1950s].

2. a homosexual who cannot find a sexual partner.

[SA]K. Cage Gayle.

3. the buttocks [initial letter of arse n. (1)].

[SA]K. Cage Gayle.