forr

Verb

 * 1)  to boil, be on the boil, simmer
 * 2)  to be seething with rage or anger
 * 3)  to spring up to emerge from the ground like springwater
 * 1)  to spring up to emerge from the ground like springwater
 * 1)  to spring up to emerge from the ground like springwater

Conjugation
or (chiefly in certain prefixed forms, optionally)