Well wear!

exp.

A phrase used to wish a friend an extended period of satisfaction with their new purchase.

In use

Das a lovely new cayer boy! Well wear!

Let Lawrence Muck translate it to posh English for you
Lawrence Muck

Ah, a seeker of knowledge. Would you like me to translate 'Well wear!' in use for you?

That is a lovely new motor car, old boy! May you enjoy it for many years!