A person who listens to lil pump once, and seems to acthood
Little Timmy listened to Lil pump once, and now has pumptism, and the IQ of 15 equivalent to the average pug dog
by Mr.skittles15243 June 23, 2018
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when the lil pump fan listens to lil pump to much untill they get pumptism so then they wanna be a rapper get slightly brain damaged and act real dumb pumptism vol2 is starting to form watch out
pumptism is bad dont get it. Volume2 is being found all over canada and is growing on america
by wassupitsmemeowboy February 6, 2018
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A word created by the YouTube channel "JustDestiny" which refers to an individual who listens to Lil Pump once and then suddenly starts to act like they're from the "Hood".

Thank you @Justdestiny for you good content.
Betty is so ghetto now... she must have Pumptism. (Because she listened too much lil pump)
by @charloo8454 January 14, 2018
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A rare condition in which the individual who has it, starts thinking they're from the "hood" and start to act "Gangsta".
She has pumptism
by HelpMeIHavePumptism January 8, 2018
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A rare condition in which the individual who has it start thinking they're from the "hood" and start to act "gangsta"
She has Pumptism
by Casper (¤_¤) January 1, 2018
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