a passe term that most folks would like to dispense with - bringing to mind smelly fish. A pretentious saying that only pundits and a-holes use.

- A stinky or pungent vagina.

Origin:
The red comes from the color of it, and the herring is because it smells like fish.

A girl's excuse to not engage in intercourse because she feels as if she might be getting her red tide soon. This is the equivalent of the logical fallacy.

A term used to describe a guy/girl who you're going out with/fucking just to get over someone else you can't get.

Red herrings were often used to mislead hound dogs; the expression refers to something that is misleading.

Therefore - you try to convince yourself that you like someone (to mislead you/lead you away from the person you actually like), and call him/her your 'red herring'.

a slang phrase used to describe a girls pussy when she is having her period and it also stinks like a dead fish.