to pout is a form of:

Pout



ENGLISH MEANING
noun
1.
The young of some birds, as grouse; a young fowl.
2.
A sullen protrusion of the lips; a fit of sullenness.
3.
The European whiting pout or bib.
verb
1.
(INTRANSITIVE) To thrust out the lips, as in sullenness or displeasure; hence, to look sullen.
2.
(INTRANSITIVE) To shoot pouts.
1.
To protrude