What's the meaning of انگار here:
It maybe means "apparently" in these cases, when you strongly guess something.
What does غش غش mean here:
When you laugh loudly. "ghash ghash" is not a certain word, it is a sign of a sound when you are laughing very loudly.
What does راست شكم mean here:
This term almost uses in an informal spoken and it is a little bit funny term. That is not very common. But it means when you don't pay attention to do anything except what you want to do. Sometimes you have to do something but you don't do it and ignore that and go.