1 definition by BarneyStinson4

Top Definition
A mathematical relationship that can define the degree of success of any female at various competitions, including job interviews, sporting/dance events, and, most prominently, debate tournaments.

The relationship holds that the amount of clothes one wears is inversely proportional to their success the event or competition.

A female can have Lex A or be described as "Lex A". An unattractive female who tries to Lex A but does not receive its benefits still HAS Lex A, but risks embarrassment and social isolation.

See: sex appeal
Dude, that girl got a 28.5 round 4.

Yeah, only because she's got Lex A.
by BarneyStinson4 November 08, 2010

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