spluckle
n.— «A splitter just drops straight down at the end. Rich’s knuckles out of his hand and floats around and then drops. It’s a splitter that knuckles. It’s a spluckle.» —“Notes: Harden has the full arsenal” by Mychael Urban in Oakland, Calif. MLB.com July 15, 2005. (source: Double-Tongued Dictionary)