What is the meaning of Baj?

goodbye

trouble, matter, problem

battle, combat, fight, duel

ill, trouble, condition, complaint (a certain abnormal state of health)

to chew

in-story storyteller or narrator in children's literature (a narrator of a children's fable within the fable itself)

second-person singular imperative of bajać

genitive plural of baja

second-person singular imperative of bajati

chastening of children when they dirtied themselves, or exhibited bad behavior

warning for children to watch out for something filthy, uncomfortable, or shameful

more generally showing dislike or disgust of indiscretion, vulgarity, or shameful behaviour

filth, dirt, feces

a bay connected to the sea which entrance is less broad than its middle, goes deeper into land than a bukt (bay) which tend to be more evenly broad

bajsalt, type of unrefined salt from western Europe

Source: wiktionary.org