butt-kicker

and ass-kicker

n. someone or something capable of defeating or surpassing all others. That idea is a real butt-kicker. He is an ass-kicker, but he at least rewards us for putting up with him.

Common Names:

Name	Pronounced	Usage
Amando	ah-MAHN-do (Spanish, Italian)	Portuguese, Spanish, Italian
Bohdan	boh-DAHN (Ukrainian)	Czech, Ukrainian
Kazik	-	Polish
Roth	[rɔ:θ]
Sylvia	SIL-vee-ə (English), SUYL-vee-ah (Finnish)	English, Swedish, Norwegian, Danish, Finnish, German
Waylon	WAY-lən	English