Indifference; to be used when one simply does not care.

Taken in the contest of the song Baby's Got Back by Sir-Mix-Alot he is referring to Florence Griffith Joyner a track athlete in the 1988 Olympics who defiantly fits all the other descriptions of what he likes in women mentioned in that song. Not some soda why on earth would you want to keep your women like a soda anyway?

An expression of of indifference or of a judgment of mediocrity; a verbal shoulder shrug.

When you just don't care about the subject.

"The verbal equivalent of a shrug of the shoulders." -quoth me

Definition---
Indifference; to be used when one simply does not care; know how they are feeling; to feel nothing. ‘Meh’s can be strung together to highlight the intensity and severity of the unknown non-feeling(s). In this scenario the recipient of the meh meh meh syndrome can be mistakenly perceived as ‘depressed’.

This is a universal, non-commital answer to every question ever posed. Its the answer that deosn't actually give any answer.