1. [mid-19C+] first-rate, splendid, amazing.
2. [mid-19C+] very funny.
3. [mid-19C+] a general intensifier, utter, extreme.
4. [1920s+] (US) of clothing or colours, loud, bright, garish.
5. [1930s+] blatantly homosexual; usu. as screaming queen
As a general intensifier
see under abdabs n.
see under meemies n.
[1930s+] an ostentatiously effeminate homosexual man.
[1980s+] (US campus) an extremely messy or ugly look.
see under blue murder n.
[1970s] a general excl.
SE in slang uses
[1940s] (US) a GI discharge button, issued after WWII.
[1940s] (US black) a police car moving at speed and sounding its siren.