Noun. 2 meanings: 1) An asshole who is obsessed with playing Farmville and lets it interfere with his entire life.
Noun. 2) Similar to a k-hole, which one experiences after ingesting too much cat tranquilizer, someone who has been locked in their basement for 3 days straight, playing Farmville, will go into a farm-hole
1. This farmhole hasn't showered or left his apartment for three weeks because of that ahole game.
2. Can you believe that Bob totally went into a farm-hole last night? He wouldn't stop planting corn for 2 days.