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1.
Gaming: A Battlecry often used to announce a great
attack or a comeback.
{A group of players sneak into the enemy camp and all pull
out a noob tube}

Terrorist Player 1: SHOCKLAHA!

{All terrorists fire rockets into the camp catching enemy
by surprise}

Example 2:

Guy 1: Sneaks up on Guy 2 who was talking crap earlier

Guy 1: SHOCKLAHA!
by TheGrtAku May 16, 2010