What is beat marple girl syndrome?

When a marple girl is to beat to get with anyone from her school, so she has to go to a different school to get someone.

Yo, that girl definitely has beat marple girl syndrome

beat marple girl syndrome - video

When a marple girl is to ugly to pull marple guys, she has to go to a different school to get a boyfriend.

Damn, she got with that guy from haverford, she must have beat marple girl syndrome.