Crumb Lord
Someone that is stubborn or uncooperative over the smallest issues and make them bigger deals in doing so. This is usually done in an attempt to stroke the ego and/or demonstrate 'alpha'.
Harry: Hey Dave would you mind getting your clothes out of the living room? I have friends coming by
Dave: DUDE, FUCK YOU. CAN'T YOU SEE IM WATCHING THE GAME?
Harry: You're such a crumb lord
Dave: DUDE, FUCK YOU. CAN'T YOU SEE IM WATCHING THE GAME?
Harry: You're such a crumb lord