Upper BlackRock Spire, a high-level instance (dungeon) in World of Warcraft.
A:Wanna do UBRS?
B:Sure.
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
Initials of "You better recognize"
by IHS May 14, 2003
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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