to crackle, as crepitant lungs do, as some arthritic joints may do, or as some fractured bones may do.
To emit digestive gases from the anus; to flatulate.
To emit (fumes, gases, etc.).
To waste time with idle and inconsequential tasks; to go about one's activities in a lackadaisical manner; to be lazy or over-relaxed in one's manner or bearing.
An irritating person; a fool.
(usually as "old fart") An elderly person; especially one perceived to hold old-fashioned views.
An emission of digestive gases from the anus; a flatus.