fart

(informal, impolite, intransitive) To emit digestive gases from the anus; to flatulate.

(colloquial, intransitive, usually as "fart around") 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.

(figuratively, transitive) To emit (fumes, gases, etc.).