an adjective used to describe something of large importance, significance, or shocking
that was one hum dinger of an episode of the OC!

this test is one hum dinger of a toughie!
by Colleen Yergacheffe May 7, 2006
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the practice of your partner,taking the whole of your scrotum,in the mouth and humming.(yes humming)..thus sensation is overwhelming,and climax occurs almost immediately.
come on luv,suck me balls,we,ve done everything else,and we,ve only been married 6 months.
by yosean March 31, 2003
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Oral sex of the penis performed by a toothless individual. Such persons Mike include an old woman or a toothless prostitute.
The old lady I met at the grocery store followed me back home and gave me a gum hum.

That toothless meth whore gum hums really good for $5.
by Eaton Holgoode April 11, 2017
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Suck my dick. That is how you say it in the streets of NYC, LA, or SF.
"Hum Lun , Dennis"
by DennisKilla November 22, 2003
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when a woman places a man's nuts in her mouth and gently hums. What a feeling!
I was gonna fuck her, but I decided to just let her hum a nut.
by flingshot January 26, 2005
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The combination of slobbing on a nob and humming one's favorite tune.
"I hum far too much johnson for my own good."

"I have an idea, how about you hum a johnson!"

"I'm gonna go tame that ass."

"I hooked up with a bitch last night."
"Did she hum your johnson?"
"Naw she gave me that gum job cus she had no teef."
by POISON DART July 28, 2008
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Excess of semen that collects around ones mouth as a side effect of them expressing audible satisfaction after successfully performing fellatio on a partner.
by Winos February 3, 2009
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