Walmong
person of or from Walton, an area of Liverpool so backward that most L9 dwellers claim to hail from neighbouring Aintree; often a  practicioner of the renowned 'Walton Bird' gesture.

Portmanteau word of 'Walton' and 'mong'.
"That Walmong in the Y-3s is going for a chong."

"I spent a pleasant evening in the company of a nice young lady, it wasn't until later that I discovered she was a Walmong."