What is the meaning of Czub?

tuft of hair; curl; ringlet

chupryna or mohawk hairstyle

crest (tuft on an animal's head)

head, noggin

top, peak (highest part of something)

tip (extreme end of something)

loon, lunatic, psycho (crazy or deranged person)

second-person singular imperative of czubić

Source: wiktionary.org