The act of getting a hummer and just as you are about to cum. The blower begins to manipulate and fondle your balls.
"What do you want for your birthday?"

"You know what I want!...a humdinger like last year!"
by D.Bright1 October 24, 2016
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A woman with the capibility to throw her left breast over her right shoulder and squirt buttermilk into her anus.
Speaker 1: I hooked up with a humdinger last night.
Speaker 2: I know, you've told me eleven times.
by zoidberg1997 May 23, 2011
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The act of humming and rolling your tongue to stimulate the clitorous and/or genitals.
Example 1

Boy: Give me a humdinger bitch!
Girl: *giggles*Blushes*

Example 2

Boy:Hey hoodrat, humding my balls!
Hoodrat: Go fuck yourself!

Example 3

Girl:Humding my pussy!
Boy: Drop your panties ;)

Example 4

Hoodrat: Humding your homies balls you pole smoking panzy.
Boy: Suck a dick.
by IcePrincess&&ColdBloodedCobra February 26, 2010
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When giving her the business from behind, when she reaches back and gives the boys a tickle.
I was trying to think about baseball, but once she gave me that Humdinger, it was all over.

Her nails were good for back scratching, but the real joy was when she used em for a good old fashioned Humdinger.
by Hartivarbari May 18, 2010
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Something that is "BIGGER THAN A BEAR" . Usually said by someone that is from ringold (rednecks).
If you all dont shut up I'm gonna give you all a quiz and its gonna be a Humdinger!!!
by Tongue Warrior May 8, 2007
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A man that gets pleasure from snorting the cum from a womans vagina
Phill: I hear that Patrick guy really gets pleasure from snorting womens cum.

Henrey: What a Humdinger!
by Hairy stick up October 12, 2008
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