The hybridization of German words forming a fictional term designed to designate badassery.

Sterbenlicht is a badass (A person whose extreme attitudes and behavior are admirable).

"The epitome of the American male. He radiates confidence in everything he does, whether it's ordering a drink, buying a set of wheels, or dealing with women. He's slow to anger, brutally efficient when fighting back." - UD (Badass)