Deggle

Someone who's dumber than a retard.

This guy is a real deggle

Deggle

When you come up with a genius idea after mishearing someone else

McDonald's CEO: we should add pizza to our menu

McDonald's manager: did you say we should make a new sandwich using thousand island dressing called the BigMac?

McDonald's CEO: nope not at all but that's a genius idea!! you just deggled me an idea!!