- noun a very bad and obvious mistake
- An instrument or device which emits an audible signal to inform of a given condition, level, or the like. For in-stance, a device which emits such a tone when a short circuit is located.
- noun a child or baby. An item of middle-class and family slang of the later 1980s and 1990s. Wowler is an alternative version. Apart from the obvious reference to a baby’s crying, the word might also recall the howler monkey.
- noun an ugly person, usually female. An item of student slang in use in London and elsewhere since around 2000.