1. grunt - Noun
2. grunt - Verb
To make a deep, short noise, as a hog; to utter a short groan or a deep guttural sound.
A deep, guttural sound, as of a hog.
Any one of several species of American food fishes, of the genus Haemulon, allied to the snappers, as, the black grunt (A. Plumieri), and the redmouth grunt (H. aurolineatus), of the Southern United States; -- also applied to allied species of the genera Pomadasys, Orthopristis, and Pristopoma. Called also pigfish, squirrel fish, and grunter; -- so called from the noise it makes when taken.
Source: Webster's dictionaryLiving next to you is in some ways like sleeping with an elephant. No matter how friendly and even-tempered is the beast, if I can call it that, one is affected by every twitch and grunt. Pierre Trudeau
I have to mime at parties when everyone sings Happy Birthday... mime or mumble and rumble and growl and grunt so deep that only moles, manta rays and mushrooms can hear me. Stephen Fry
Look wise, say nothing, and grunt. Speech was given to conceal thought. William Osler
The deadly weapon seemed unnaturally light and easy in his hand. Something that lethal should have more heft, like a broadsword. Wrong, for murder to be so potentially effortless - one ought to at least have to grunt for it. Lois McMaster Bujold
Noh care how boar hog try fi hide under sheep wool, ‘im grunt always betray ‘im. Jamaican Proverb
Young pigs grunt as as old pigs grunted before them. Danish Proverb