1. A family name, surname.
2. In Russian, "Kulak" means fist.
3. In Russian and Soviet history, a Kulak was a wealthy or prosperous peasant, generally characterized as one who owned a relatively large farm, and who was financially capable of employing hired labour.
1. "It's Kulak's turn next....where is Kdog?"
2. "Watch out for her...she throws a mean left kulak"
3. "Joe's farm is doing great! He is such a kulak!"