derp helmet

In the context of the internet and online slang, "derp helmet" or "need a helmet" often implies that someone is acting foolishly or making a mistake, and is a rude way of saying someone needs to be more cautious or thoughtful.

Kelso! Put on the derp helmet! What's a derp helmet? It's In the context of the internet and online slang, "derp helmet" or "need a helmet" often implies that someone is acting foolishly or making a mistake, and is a rude way of saying someone needs to be more cautious or thoughtful.