British informal An exclamation made after delivering the punchline of a joke.
[popularized by the fox puppet Basil Brush, a character in a British television comedy show]
More example sentences
- I've answered this question in some election hustings by saying I'd be the fish that swims against the tide… boom boom.
- As Basil Brush used to say, ‘boom boom’!
- Unfortunately, I have a conscience (although the band seem to have taken a day off for theirs - boom boom!).