To clean one's mouth by holding water or some other liquid in the back of the mouth and blowing air out from the lungs
To make a sound like the one made while gargling
To clean a specific part of the body by gargling (almost always throat or mouth)
To use (a liquid) for purposes of cleaning one's mouth or throat by gargling.
Every morning he gargled a little cheap Scotch.
The act of one who gargles.
The dentist recommended regular garglings with mouthwash.