What happens next?

How to speak with a cockney accent
Drop the letters " t " and " k " from the middle of words.
A glottal stop is the linguistic term for dropping the sound of the letter " t " from the middle of a word. You can do the same with the letter " k " in the middle of a word, as well.
" scottish, " for instance, would be pronounced " sco'ish. " " blackboard " becomes " bla'board.