When you're playing call of duty and you rush the opposing side's spawn with a MP5K rapid fire. The only person who ever survived the Rain of Pain is RTZ Bullet because his wearing a bullet absorbant vest.

Diarrhea so bad, your ass hurts afterwards.

To Beat another person to the ground and keep the hits coming.

It’s basically when you go outside while it’s raining and a army of raindrop fall on you. Be careful they’re dangerous because one can fall in your eye and make you go blind.