Green’s Dictionary of Slang

the Hippodrome, New York.

1908		McGaffey Show Girl 166: He is kept busy looking after the animals at both the Hip. and the circus.
1913		H.S. Truman letter 30 Sept. in Ferrell Dear Bess (1983) 137: There was a punk show on at the Hip.
1928		M. West Pleasure Man (1997) Act I: Yer see I used to work at dare Hip in New York.