1) A baby monkey found off the coast of Africa.
2) A word commonly used by charlatans during a poorly executed game of scrabble as a final attempt to gain a few measly points.
brother: "Father shoot an umpkey today while hunting"
sister: "oh dear..."
ghetto scrabble player #1: "u-m-p-k-e-y...umpkey?!?, umpkey ain't no word."
ghetto scrabble player #2: "bitch yeah it is, look it up at urbandictionary.com"