Clarked one up Share definition Flag To commit a humiliating error that only someone of the Clark lineage would do. Usually used in a work context. "Dude when you spoke up in the meeting, you really Clarked one up. I hope you don't get fired." Clarked one up by JackBauer84 January 13, 2013 0 0 Get merch Get the Clarked one up mug. Buy Now — $32.95 See more merch