klonny Share definition Flag Klonny made popular by rapper name Lilbootycall, is the slang name for anxiety medication Klonopin. "Man he dosing off a klonny""That klonny must of had him tweakin' " klonny by yungcactusboi May 19, 2018 0 0 Get merch Get the klonny mug. Buy Now — $32.95 See more merch