Green’s Dictionary of Slang

flitty adj.

effeminate.

1951		J.D. Salinger Catcher in the Rye (1958) 90: On my right there was this very Joe Yale-looking guy, in a grey flannel suit and one of those flitty-looking tattersall vests.
1969		J. Crumley One to Count Cadence (1987) 239: She came in [...] with a group of white waving hands and flitting voices.
1999		T. Doherty Pre-Code Hollywood 121: A flitty dance instructor, and a gay swimming pool attendant.
2001		S.D. Walters All the Rage 108: Jack is also perfectly integrated through his recognizability as the charming, narcissistic, witty, flitty fag next door.