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1 definition by Dave Saniti

 
1.
OBS
Stands for Optimal Breast Size. OBS is the point at which the female chest is near perfect in dimensions; they are neither too small or too large, as Goldy Locks would put it, they're juuust right.
Lynn has a wonderful set of OBS, I wonder if they're real...
by Dave Saniti February 27, 2008