Top Definition
An utterly clueless person. The type that will knock things over, stand obliviously in front of the TV, and make unnecessary amounts of noise wherever they go. However, due to their general goofiness, thumpi are loved by everyone and bring joy to people whenever they enter the room.
Person 1: I can't stand Ephrem, he's the biggest thumpis i've ever met.

Person 2: He's hilarious though, you have to admit.

Person 1: No fuck that guy.
#thumpis #swag #swaggy #butt chug #justin bieber #blue waffle #french banana #ephrem marogi #urban dictionary
by PaulaPaulaDeenYall April 30, 2014
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