1 definition by Yossarian8

Top Definition
To overturn another in verbal sparring, particularly in front of a group.
Often said upon the occurrence of such an event.
Person 1: "Your penis is of insubstantiate length and/or size."
Person 2: "In accordance with the events transpired last night, your mother would disagree."
Person 1: "Joust."
by Yossarian8 May 12, 2004

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