Open English Wordnet
Nouns
(n)joker, turkeya person who does something thoughtless or annoying“some joker is blocking the driveway” (n)turkeyflesh of large domesticated fowl usually roasted (n)turkey, bomb, dudan event that fails badly or is totally ineffectual“the first experiment was a real turkey”,
“the meeting was a dud as far as new business was concerned” 