Based on the word derp, a derpstorm is a gathering of a lot of stupid or ignorant people. Derpstorms are often composed of very opinionated and outspoken people, as such people are prone to say or do stupid things.
Derpstorms can be of any size, but particularly small ones are often referred to as a derpdrizzle. Massive derpstorms can sometimes be referred to as a derpicane.
derptard A compound word drep+tard: A person with a low level of intelligence who is often the butt end of many people's jokes because of their actions and/or verbally expressed ideas.
derptard: Why is their a suicide counseling hotline number on this bridge?
Non derptard: Think about it ya derptard.