1. [1930s+] (orig. US) to show off, to act in an exhibitionist manner (and thus draw un-needed attention to oneself).
2. [1950s+] (gay) to dress in a sexually provocative manner.
3. [1970s] (camp gay) to pluck and paint one’s eybrows.
[1960s+] (US gay) a bar frequented by male prostitutes and their clients.
[1950s] (US gay) a men’s washroom.