Phrs. Indulging in alcohol, partying, generally having a good time. A shortening of on the razzle-dazzle. E.g."I'm buying a new shirt; we're off out on the razzle tonight."
ON THE RAZZ / RAZZLE
Meaning of ON THE RAZZ / RAZZLE in English
Slang English vocab. Английский сленговый словарь. 2012