The (wo)man who goes by the name William Moseley. Is in the Narnian films, enjoys teabagging, and was raised by chickens. Often known for ~posh accent, and tendency to slur and spit when talking about squirting orange juice on the devil (aka Bin Bons).

When you eat dirt for the first time and leave your family to build a shack in the woods

Willmo is usually a nickname for a male called William or with the surname Williams. They think its cool but it most certainly is not. Usually from Birmingham.