an annoying, depressed and obsessive person who won't leave you alone when you tell him to go away.
Derives from a person called daddy prawn who was really annoying, depressive and who always complained to people and therefore had no friends.
"I hate life. I hate everyone. Everyone hates me. I have no friends, i must do my maths homework. Awwwwellll, shit happens".
"shut up daddy prawn"