In Ramone’s dialogue an omission is used when he says “Where’s Andy? Y U out of class? The omission is used to emphasise the effect of shortening words has, due to the speakers knowing esch other very well they can talk to each other in non standard english and will understand each other, the word ‘are’  is removed from the sentence as even without  the word ‘are’ it will still be understood by both speakers,thus, speeding up the conversation.

Another omission is used when Ramone says “Bullethead” towards Gabriel, the word itself ‘Bullethead’ is understood by both speakers thus being behind the reason why it is being used in the dialogue. It has an overall effect as the word is understood and well known between the speakers.