What is Pratdigger?
1.
That friend of yours who always has a shit girlfriend everyone has to put up with, or a crap best mate from school they always ask out with you, or the person who finds the most obnoxious person at a party and exposes everyone to them: i.e. someone who digs up
"I thought she'd be fine at the game, but all she did was talk about her holiday with other girls during extra time. I feel like such a pratdigger".
See