A word meaning awesome, cool, or really good at something. Most commonly used by teenage boys' lacrosse players.
Ok, well this happend after our spanish teacher (who is also one of the boys' lacrosse coaches) tells us a story about a kid that he went to grade school wit who went from eighth grade to college: Andrew (lax player): that dude is beast! Teacher: wat is beast? Y do u guys say beast? (btw, our teachers only in his 20s) Conner (another lax player): cuz its beast