молоток

Noun

 * 1)  hammer, mallet, maul
 * 2)  good guy (used only in nominative, altered form of молодец)
 * 1)  good guy (used only in nominative, altered form of молодец)

Interjection

 * 1)  nice one!, well done!

Etymology
From.

Noun

 * 1) hammer
 * 2) gavel