To have one's cell-phone ring tone go off in the presence of others.
Cell phone/ring tone rings.
"Okay, who's humming?" Jake asked while pausing the movie.
by J7588 June 15, 2007
1 more definition
Top Definition
To admit a foul odour, to stink.
That tramp over there is humming.
by querty boy October 07, 2005

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