The Collaborative International Dictionary
Squealed
Squeal \Squeal\ (skw[=e]l), v. i. [imp. & p. p. Squealed (skw[=e]ld); p. pr. & vb. n. Squealing.] [Of Scand. origin; cf. Sw. sqv["a]la, Norw. skvella. Cf. Squeak, Squall.]
To cry with a sharp, shrill, prolonged sound, as certain animals do, indicating want, displeasure, or pain.
To turn informer; to betray a secret. [Slang]
Wiktionary
squealed
vb. (en-past of: squeal)