n. False or exaggerated statements made to impress and deceive the listener rather than inform; nonsense.n. A card game in which the object is to bluff about cards laid down and to determine when one's opponents are bluffing; also known as "BS" or "I Doubt It".n. An object of frustration and/or disgust, often caused by a perceived deception.n. The faeces of a bull.adj. Absurd, irrational, or nonsensical. Most often said of speech, information, or content.v. To tell lies, exaggerate; to mislead; to deceive.v. To have casual conversation with no real point.v. To come up with on the spot, to improvise poorly.interjection. An expression of disbelief or doubt at what one has just heard.