To admit a foul odour, to stink.
That tramp over there is humming.
by querty boy October 7, 2005
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smells bad/ smells like something real bad

when one of your sick little friends lets off a bad one or you just happen to be walking through a chemical waste depository
Gay ass friend: *lets one rip*
Dude: man, that hums like your mums cunt

Smelly Hobo: hey guys
Guy: dude, you hum
by Dude Incognito April 26, 2004
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used to describe a person with an afro. usually VERY annoying and has SWAG. sings off tune.
Hum-Hum: la la la laaaaaaaaaaaaaa im soooooooooooooooo coooooooooooooolllllllll
by PIGGYWISDOM February 27, 2013
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short for "how do you mean," often used in chat rooms or while instant messenging
Phil: hum i've got aids?
by hum whats my name November 2, 2003
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(verb) PE Boyz equivalent to calling someone, or occaisionally an event, 'a twat'. The word is used only in certain circles and many are oblivious when hummed. An individual may hum another should they deem a particular action or event warrants it. An person or event warranting a hum is said to be humworthy.
An alternative to the traditional hum is that of 'Huh?.....mmm'
Occasionally the word may be used in the adjective to described an often hummed individual or for an event that recieves many hums.
The effort I have gone to to explain the word is humworthy. I should indeed recieve a hum. Huh?......mmm
by TheBeacon July 28, 2006
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It means “what?“ or “hm?”
“I have to tell you something”
Hum?”
by rustyspoonlol February 7, 2020
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