Green’s Dictionary of Slang

manly-alice n.

(Polari) a consciously masculine homosexual man.

[UK]P. Baker Fabulosa 294/2: manly Alice, a masculine gay man.
[UK]R. Milward Man-Eating Typewriter 108: [T]his manly-alice, this bearded-donna fucker, he sticks his cartso through and I’m going at it [...] schlop schlop schlop [ibid.] 111: The manly-alices, the tattooed seadogs, the homos-in-heteros’-clothing.