butterfingerEtymologyClipping of butterfingers.nounSynonym of butterfingers (“someone who tends to drop things; (more generally) someone who is clumsy or uncoordinated”).“You've got a swell chance to make this [baseball] team, you have, not! Third base is my job, Freshie. Why, you tow-head, you couldn't play marbles. You butter-finger, can't you stop anything?”