a person who enjoys telling or playing jokes

[ Syn: jokester ]

a person who does something thoughtless or annoying; some joker is blocking the driveway

[ Syn: turkey ]

an inconspicuous clause in a document or bill that affects its meaning in a way that is not immediately apparent; when I demanded my money he showed me the joker in the contract'

a playing card that is usually printed with a picture of a jester