Bad penny

The Eleventh Doctor claimed that bad penny was his middle name. (TV: The God Complex) Indeed, Winifred Gillyflower found he kept turning up at Sweetville "like a bad penny". (TV: The Crimson Horror)
In Pete's World, Jackie Tyler referred to her husband as "the bad penny" for getting her official birthday wrong. (TV: Rise of the Cybermen)
Category:Jargon, slang and colloquialisms