The MTG Urban Dictionary - Terribad (adj.)
Terribad (adj.)
1. Terrible, bad.
Emily: What was Wizards thinking when they printed Adventurers' Guildhouse?
Todd: I have no idea. The card is just stone terribad.
Additional Reading
1. Financial Quick Picks - MTG Hit List, Get in before Pro Tour Oath of the Gatewatch [Edward Eng]
2. The MTG Community - 2015 Yearly Review [Edward Eng]