Top definition
Someone who bails on friends, possibly multiple times, when they want to see the hobbit because they have a massive pine cone in their twat.
Guy1&2: Wow, our newb of a friend bailed on the hobbit again.
Guy3: What a willbo!
by bigdickswagger December 26, 2014
Get the mug
Get a willbo mug for your father-in-law Jerry.