Hate Clown Share definition Flag Used as a verb or noun. One who acts in a negative manner twords others on account of personal jealousy. "Common dude, dont be a Hate Clown. Just gimmi my pants back" Hate Clown by Aliso December 28, 2006 0 0 Get merch Get the Hate Clown mug. Buy Now — $32.95 See more merch