What is the meaning of Bullir?

to boil

to boil

to boil (to begin to turn into a gas)

to boil, to bubble, to churn (to be agitated like boiling water; to bubble; to effervesce)

to bustle (to move busily and energetically)

to bubble, to bubble up, to well up (to churn or foment, as if wishing to rise to the surface)

to teem, to abound

to move, to budge (part of one's body)

Source: wiktionary.org