Top Definition
someone who owns a youtube acount but has under 15 videos and under 1000 subscribers, which means most middle schoolers. usually the videos are fairly random and dumb, but can be funny.
Dave - "oh my god this video on youtube is freaking hilarious."
John - "wow, dude that guy's a total Microtuber. he has 4 videos and 56 subscribers."
by amazawali96 June 02, 2009
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