What is Butcher's Hook?
1.
Cockney rhyming sland for look.
Ok me china plates, go round back an 'ave a butcher's at those new wheels e got there.
2.
While many cocknies use this phrase in place of the word 'look', it in fact should be used to verbally exposit a butcher's hook. This confusion about its meaning has come about due to the stupidity of most cocknies.
Mr A: Look at that butcher. He is using a hook.
Mr B: That is because it is a butcher's hook.