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.

Instant Message

1. 1. what you send someone when you want to talk on the internet 2. what internet sluts send you when they want you to visit their porn w..

Txtplination

1. An explination via text message. A txtplination ussually causes more confusion then it clears up. "My Girlfriend just sent me a tx..

Can't Touch This

1. MC Hammer had a hit with the name "U Can't Touch This." Generally means "I'm too good for you." or "Y..

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