German-English translations for joker

joke
us
It was a joke!Your effort at cleaning your room is a joke.The president was a joke.
jokerSome joker keeps throwing eggs at my windows

trump
us
It is the trump card that beats any freedoms. Sie sind der Joker der Freiheit. Nun werden sie auch auf den Tabak geklebt. Diamonds were declared trump(s).He played an even higher trump.
trump cardIt is the trump card that beats any freedoms. Sie sind der Joker der Freiheit. Nun werden sie auch auf den Tabak geklebt.
wild cardKye Sun-Hui won an Olympic gold medal in Judo, despite being a wild card.