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1.
The ease and opportunity with which one can "Do" a potential partner. Commonly used in tandem with "Attractiveness" as its co-value to score a "Hottie" on a scale of 1 to 10.

*See Attractiveness/Accessibility Scale
"Ugh, her face and body are a 4 but I bet her accessibility is an 8, easy!"
by Bakkaratorz September 01, 2006