Drake popped off on a group of photogs Saturday night ... but not with his words -- the rapper used a not-so-ancient Chinese party gag.
Drizzy and his friends were heading out of Osteria Mozza when our camera guy attempted to talk with the 27-year old about a number of subjects ... but Drake wasn't into the convo.
However seconds before leaving ... the rapper messed with photogs using a bang snap.
If you don't know what that is, watch the video -- and get out once in awhile!
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