What is 25 Pounce?
An attack in the game Left 4 Dead by Valve. The attack consist of a player playing the infected class "Hunter" and doing the main pounce attack from great distance/height. The attack can also be done from short distances if the Hunter player is skilled enough to preform the Bunny Pounce.
Dude On your team: Dude, you just ended their game with that 25 Pounce. Nice!
Dude Not on your team: Bull Shit!