A phenomenon, or collection of phenomena, involving widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise not audible to all people.
Unpleasant odour.
Busy activity, like the buzz of a beehive.
A hummed tune, i.e. created orally with lips closed.
An often indistinct sound resembling human humming.
Synonym of um: a noise indicating doubt, uncertainty, &c.
Synonym of hmm: a noise indicating thought, consideration, &c.
To produce low sounds which blend continuously
To express by humming.
To reek, smell bad.
To make a sound from the vocal chords without pronouncing any real words, with one's lips closed.
To drone like certain insects naturally do in motion, or sounding similarly
To buzz, be busily active like a beehive
A rough, coarse, loud or uncouth person
A humanoid cryptid said to exist in parts of eastern Australia, and also reported in the Bahamas.
To search using the Yahoo! search engine.
To give a cry of "yahoo".
A battle cry.
An exclamation of joy or enjoyment.