used to talk about a man in a friendly way He isn't such a bad chap really. Come on, chaps, let’s go for a drink! Word Origin late 16th cent. (denoting a buyer or customer): abbreviation of chapman ‘pedlar’. The current sense dates from the early 18th cent.Extra examples He’s a decent sort of chap. He’s not such a bad chap really. The poor old chap was very shaken by the experience.