1 : to move the wings rapidly without flying or in making short flights Butterflies fluttered over the garden. 2 : to move with a quick flapping motion Flags fluttered in the wind.

What does flutter mean in British slang?

From Longman Dictionary of Contemporary English have a flutterBritish English informal to risk a small amount of money on the result of something such as a horse race SYN have a bet → flutterExamples from the Corpushave a flutter• I had a little flutter on the Grand National and won £5.

What does it mean when someone is fluttering?

: a quick wavering or flapping movement or sensation felt a fluttering in his stomach That's about as small as the perturbation of air produced by the fluttering of a butterfly's wings …—