The act of acting like an idiot (retard) during a thunderstorm for the pure enjoyment of looking stupid.
by Jukie Dookie April 22, 2011
Get the Rumbletard mug.Despite being incapable of stringing two cogent thoughts together, this low-intellect goober will drone on endlessly, boring everyone with their sophomoric points of view. Their speech is often unintelligible and paced like a metronome. They are completely unaware that their audience just wants them to shut the fuck up.
What's up with Barry? He's driving everybody crazy.
He hasn't been the same after he lost his job at KFC.
Now he's just a mumbletard who can't shut up with no job and no friends.
He hasn't been the same after he lost his job at KFC.
Now he's just a mumbletard who can't shut up with no job and no friends.
by Fast Eddie, AKA The KOS October 26, 2013
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One who says things that are retarded on Tumblr. Usually in reference to the LGBTQ community. They are known for calling people misogynistic, racist, sexist, and other such discriminatory adjectives.
I went on Tumblr and said I'm new here. I said I'm a white Christian straight male, and i received hundreds of hate comments calling me a rapist, sexist, racist, misogynistic bigot. The commenters were all tumbletards.
by Possibly cringe August 14, 2016
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A pejorative term for Southerners; a cross between country bumpkin and mongoloid, utilizing the prefix rube and suffix tard. Best used when someone is being an ignorant and stupid Philistine.
Man 1: Spaghetti again? I'm so sick of Mexican food. Hispanics are terrible cooks and terrible people.
Man 2: Spaghetti isn't Mexican, you rubetard. Why do you always have to say something stupid and ignorant like a brain-dead mongoloid?
Man 2: Spaghetti isn't Mexican, you rubetard. Why do you always have to say something stupid and ignorant like a brain-dead mongoloid?
by Fellatio Mignon September 11, 2019
Get the rubetard mug.by JavaDev April 12, 2020
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