Step 2: Instead of filthy, plague carrying rodents, picture them as filthy, plague carrying vermin wearing burberry caps and lots of fake gold.
Step 3: Realise that "Rats", is a prophetic work.
"Wey aye man!" - Well yes, person.
"Where y' gannin' like?" - Where are you going?
"Like hoo!" - Phrase usually placed at the end of every sentence for effect.