To masturbate while using a computer.
He's in his room clickety-clacking.
by FeuJaune February 04, 2010
Very long toenails that can often be heard as on walks away. Coined on the show New Girl. See also centaur boots
Schmidt: "Winston told me that you guys make fun of my gremlin toenails. That you call them "clickety-clacks" or "centaur boots".
by rednovemburr June 08, 2014