(v.) doing exercises, often crunches or push ups, before sex in order to look marginally more fit; to do a warm up routine in preparation for raucous sex.
Girl 1- "Isn't Mike coming over?"
Girl 2- "Yeah!"
Girl 1- "Then why are you doing crunches?"
Girl 2- "I'm just limbering for timbering. It's gonna get rough tonight, plus I want to burn some flab."
(v.) to ream someone with some solidtimber; to fuck her silly.
Guy 1- "You trying to drink some Bud tonight."
Guy 2- "No, I'm gonna be timbering my slutfriend."
Guy 1- "Send her my condolences."
Guy 2- "No remorse, bro. Grow a pair."
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.