Top Definition
Upper BlackRock Spire, a high-level instance (dungeon) in World of Warcraft.
A:Wanna do UBRS?
by Feranor September 21, 2005
Upper blackrock spire, a High level instance (dungeon) in the mmorpg game, World of Warcraft.
Looking for group to UBRS!
by Konrow September 19, 2005
Used Beyond Repair
Do you want her back, man? -no because she's ubr. What you would use when a girl sleeps with a lot of guys. And you dont want any of that. When a girl is a slut you say she's UBR...
by Noobfess November 22, 2014
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