Definition of squawks:
(n) :
A shrill noise, especially made by a voice or bird. If made by a bird, it typically signals discomfort or anger; a yell, scream, or call.
(n) :
(informal) A complaint or objection.
(n) :
(aviation) A four-digit transponder code used by aircraft for identification or transmission of emergency signals.
(v) :
To make a squawking noise; to yell, scream, or call out shrilly.
(v) :
(slang, intransitive) To speak out; to protest.
(v) :
(slang, intransitive) To report an infraction; to rat on or tattle; to disclose a secret.