To be aggressive or act like a bitch towards someone, damn well knowing you will get slapped up. Similar to when someone harps on you.
Dont get yarpy with me bro. I'll slap the shit out you.
A person who plays minecraft and has poontang for a name and argues with Microsoft about it. Also he really likes turtledans fat cock. Gross
Tang is a silky welp
Your friend that you game with who insistently acts like a little girl.