bum face;

n. chiefly british slang, derogatory

1. one who has a face that has a similar appearance to the buttocks

2. one who is of such an annoying temperament that they are worthy of being compared to someone with a bum for a face

3. Someone with a bum for a face. And perhaps a face for a bum, although this is uncommon.

The age at which one is finally considered human.

(verb) the act of doing something incredibly foolish and ridiculous that causes one's own injury, or more likely, death.

One with a bum for a face

The best insult in the world, can be used against anyone, in any context.

One who smells of poo or who bears the shape of a bum on their chin. Can also be used as a term of endearment for smelly or annoying friends.

One who bears the shape of a bum on their chin. Also a derogitary term to describe a person you don't like