Definition of yells:
(v) :
(intransitive) To shout; holler; make a loud sound with the voice, especially to express intense emotions such as anger or excitement.
(n) :
A shout.
(v) :
(transitive) To convey by shouting.
(v) :
(informal, usually followed by at) To tell someone off, to scold or rebuke, typically in a loud and angry manner.
(n) :
A phrase to be shouted.
(n) :
A surname.