Mug

A commonly used British term

A person is a mug if they are a complete and total reject or fool. Usually used by angry people in question about their status in someone's life.

Someone is mugging you off if they take you for a fool or reject you.

''Do I look like a mug?'
'Are you mugging my off'?'

' it seems like I have 'mug' written all over my fucking forehead'

'Nah fam he mugged you off'