Top Definition
When someone is surprised by something and they end up finding it so hilarious that they squeak before laughing in a high pitched manner.
Girl: -Is surprised by a random image on screen and starts laughing hysterically-
Guy 1: She just swallowed the whistle! Listen to her squeak!
by marahh February 10, 2009
5 Words related to Swallowed the Whistle

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