To destroy or abolish something.
To obscure or eclipse something.
To hunt down (a species) to extinction.
To bring about the extinction of a conditioned reflex.
To put out, as in fire; to end burning; to quench.
To die out.
To kill.
To destroy (especially, a large number of people or things); to obliterate.
To crash; to fall over (especially in board sports such as surfing, skateboarding, etc.).
To physically erase (writing, computer data, etc.).
To do away with; to cause to disappear.
To knock (a surfer) off their board.
To fall off one's surfboard.
To exhaust; to tire out.