Top Definition
An especially hellish smelling fart issued by someone who's recently digested a food high in sulphur content, eg onions. Similar to sulphur fart, except a sulfart can be so large that it often can NOT exit silently.
Oh gawd, did you HAVE to release that sulfart in this room while we're practicing our relaxing deep breathing exercises?
by acmetech October 12, 2010

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