A guys state of mind after he sees the girl of his dreams...He just can't believe it.
Mama, I'm hazy, that girl is your future daughter in law.
An arse biscuit is usually an insult, it basically translates as your the piece of shit, hanging from someones arse hair, thats gone crusty like a biscuit! Usually a word to insult a man, as women dont tend to get arse hair!
Your a fuckin arse bisuit