A word used to refer to Twitch streamer Ninja's community of 12 year olds. Ninja creates and his community echoes a massive cringe-culture. His community acts- no sorry, IS a bunch of retarded 12 year olds who use mommy's credit card to subscribe and donate so that he reads their names and they think they're important.
NinjasNumber1Fan: Ninja I just subscribed to you after that lit sniper shot!!! You missed my 5000 bit donation so I had to send this one to let you know lol 👌🔥💯 ninjaPon

Everyone else: crinja is such a blight on Twitch, jesus.
by Memerdog420 August 28, 2018
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Someone who sneakily jumps into any conversation like a ninja and makes you instantly cringe. They are a master of the noble art of crinjutsu.
Last night I was talking to my sister and Gary went all crinja on us...
by Gerbit February 25, 2018
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