Top Definition
The act of exhibiting such immediate excitement and general euphoria that it invokes an orgasm-like sensation and/or sound.

Usually in response to some statement or other external stimulus.

Often accompanied by profuse hugging and other signs of affection.
When I told her I got tickets to see her favorite band, she nearly suffered a squealgasm.
by Taigitsune May 03, 2005
1 Word related to squealgasm

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