Popidiot Share definition Flag A popidiot is someone so crazy about dancing,singin,Ect. that They dont know haw Crap they are at it! *bad singing in background* "Stop singing u popidiot!" Popidiot by Sim_freek October 29, 2004 0 0 Get merch Get the Popidiot mug. Buy Now — $32.95 See more merch