1. To express a situation in which can be handled by pros, only.
2. To display high regard for something, be it an object or an act of proness etc.
Pro: "umm, pros only tbh."
2. Jihad 1: "z0mgz t0okz out h3li with pistol kthx"
Jihad 2: "pros only"
Herpaderpus (leader) : Hey recruit, please meet me at GE, we will first do a check to see if your in-game gender matches your real life gender.