you have sex with someone once and you do not continue in a relationship afterwards; also : one of the people involved in this situation. a performance of a play, concert, etc., that is given only once in a particular place. One-night stand definition and meaning Collins English Urban Dictionary: A one night stand ONE-night stand meaning in the Cambridge English Dictionary Wuhn-nahyt See more synonyms for one-night stand. A single performance in one locale, as by a touring theatrical company, before moving on to the next engagement. A place where such a performance is given. A single, unrepeated sexual encounter, as one lasting for just one night. Definition of 'one-night stand'. Times, Sunday Times (2010)It's not just a one-night stand. The Sun (2012)I wouldn't be so ready to forgive a one-night stand now. Asking us to give that up is like saying that one-night stands are just as nice as marriage. Medder89 december 29, 2011. The Sun (2013)Is it more than just a one-night stand? Have You Ever Experienced Language Denialism? A place where such a performance is given.