A: A four - flusher originally was someone who bluffs or otherwise can't of poker (and the origin of another classic piece of slang, “poker face”).
Define four–flush: to bluff in poker holding a four flushbroadly: to make a false claim: bluff. four – flusher. noun What made you want to look up four–flush?.
Four-flush definition, to bluff. See more. Origin of four-flush. Expand. 1900 Four - flushing hustlers who really knew how to gamble. verb. To live by.