spaidy Share definition Flag Someone who is being a total nerdy smartass- acting like they know everything. But in reality is very wrong. Dude 1: Hey man did you see that kid today?Dude 2: yea man, he was acting a total spaidy spaidy by Trashyupurbe June 14, 2024 0 0 Get merch Get the spaidy mug. Buy Now — $32.95 See more merch