Green’s Dictionary of Slang

(US) the act of drinking; thus sozzle session, a drunken spree.

1899–1900		C.L. Cullen Tales of the Ex-Tanks 236: I was doing a beer sozzle at this time.
1908		K. McGaffey Sorrows of a Show Girl Ch. i: I ain’t going to play an encore to the sozzle session number I pulled off last season.