look up any word, like basic bitch:
A birthmark on Jack Black's right ass cheek
you can look it up in the dictionary, it won't be there.
Tenac, a sign, a legacy.
by sebastiancee November 03, 2007
The undefined word given to Jack Black as a sloppy birthmark of which became the beginning of the band name 'Tenacious D'. Kyle Gass owns the other birthmark which states 'ious D'.
Tenac + ious D = Tenacious D
by Tom Brinkman November 25, 2006
oh sweet in other words something you think is really fucking awsome.
tenac it's samsquanch