Saber-tooth tigering is a step beyond what a cougar does. Instead of a lady in her late 30's/early 40's, its more like a lady in her late 50's/early 60's.

This is a step beyond cougaring, because

This lady is basically a horny old grandma that nails younger men.

A woman hitting on younger men whose age puts her far beyond the "cougar" category

A woman far too old to be a cougar, who even though she no longer has IT, continues to pile on makeup and chase much younger men. Martha Raye was an example of a true saber-toothed tiger when she scored that gay guy before dying.

Like a cougar, but older. Whereas the term cougar refers to an attractive, seductive woman in her late 30s and up, a saber-toothed tiger is an attractive, seductive woman in her late 50s and up.

A Saber-toothed tiger is also referred to as a "smilodon".

SYLLABICATION: sa·ber-tooth tiger
PRONUNCIATION: say'br-tootht
NOUN: (1) Any of various extinct cats of the Oligocene to the Pleistocene Epoch, especially one of the larger members of the genus Smilodon, characterized by long upper canine teeth.
(2)The process and act of simultaneously inserting two penises into the mouth of a third party. This person is presupposed to be performing fellatio on two men at the same time.

A woman older than 80 who stalks men much younger than herself in order to quell a post-menopausal sexual arousal. A Saber tooth tiger is older than the puma, cougar, lioness, and jaguar.

1) N. a woman who is 40 years or more older than her sex partner/ husband/ boyfriend/ girlfriend

2) N. a "cougar" to the EXTREME