cactus thingy Share definition Flag Its a phrase that is said after any awkward moment of silence. It refers to a tumbleweed. (silence)... okay?? Cactus thingy...awkward silence tumbleweed cactus thingy by etrnty May 4, 2009 0 0 Get merch Get the cactus thingy mug. Buy Now — $32.95 See more merch
