noun, the short
remnant,
nub or
stump
"Biff stared absently at the stubs that remained on his right hand, and shuddered as he recalled his encounter with the Ronco Fingerator, all those years ago."
verb, to render as a stub, to reduce to a mere stump
"Biff took one last drag on the Newport menthol in his left hand, before stubbing it out in the ashtray."
verb, to smack your big toe against the same damned doorjamb three times just this week!