asto Share definition Flag He's a catfish on discord. He's cat fished multiple people. irl he's a 30 y/o man but pretends to be a 14 y/o girl to talk to underage guys. man I really hate asto. asto by zenlitized March 26, 2021 0 0 Get merch Get the asto mug. Buy Now — $32.95 See more merch