Green’s Dictionary of Slang

trixie n.1

[shares initial letter with trade n. (3)]
(S.Afr. gay)

1. a man with whom one has a fleeting sexual contact.

[SA]K. Cage Gayle 99/2: Trixie n. 1. passing sexual contact [Cape Town, 1950s].

2. an insatiably promiscuous gay man.

[SA]K. Cage Gayle 99/2: Trixie n [...] 2. sex maniac, man who cannot get enough sex.