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A middle-aged woman's uncontrollable reaction to tasting something appealing. Most commonly associated with women from New York, but can be heard as far as New Jersey.
Son-In-Law: Mrs. P, I stayed up all night working on this gravy. Taste it and tell me what you think.

Mrs. P: YumBoyHowdy!!

Son-In-Law: What the hell does that mean?

Daughter: (In disgust) Apparently she likes it...
by TheHusbandOfLisa December 13, 2009
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