(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."
by Da Sperminator March 15, 2011
Get the limbering for timbering mug.
(lim-ber tim-ber) Flaccid penis;

A person experiencing erectile dysfunction at an inoportune moment.

Unable to perform sex with vigor and vitality.
Sally finaly gave in to my advances last night and agreed to have sex with me but I was unable to perform with vigor and vitality because I had limber timber.
by rubtwostix October 18, 2011
Get the limber timber mug.