Op4

What is Op4?

OP4 stands for Opposing Force, the first and most popular expansion pack for Half-Life.

EdrianShepperdBoi - Wen is OP42 comeing out? Coz I kno thet the gman kept Shepperd coz he riminded him of him lol.

Zerotbh

1. Coolest person ever Holy shit, ZeroTBH is fucking cool!..

Monica Leigh

1. THE hottest Playboy model EVER! Don't believe me? Google her! Hottest body and the most beautiful, sexy face! She has it all! Moni..

Pussism

1. The belief that the Vagina should be respected and appreciated, as well as the female body in general. "I refuse to use and lose a..

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Op4 Edit Meaning