Wiktionary
vb. (context slang English) To become extremely emotional or excitable; to lose control of one's emotions.
Usage examples of "wig out".
Thinking about it before, she didn't know if he'd wig out or what.
He wiped a smear of mud off the side of his jaw with his free hand, and held the wig out, dripping, to Wylie.
TALIA Winters squealed with delight when she pulled the curly brown wig out of the hat box.
Great-coated, booted and spurred, not a hair of his elegant wig out of place, his Grace of Avon stood upon the threshold, quizzing-glass raised, a faint smile curling his thin lips.
He kicked Prickens' wig out of his hand and it sailed, hard, into Same's face.
Foreman Flacutono said, pushing his stringy white wig out of his eyes.
I sectioned my hair and pinned it up, and got the wig out of its box.
But one day at recreation time I walked down the drive in a suit and a red wig out of the box of costumes the school used for Christmas theatricals.
He'd taken a wig out of the bag he carried, donning it, looking up at me with a curious light in his eyes.
He looked at her critically, taking the brown wig out of its plastic wrap.
Expecting him to wig out or something, Cordelia was surprised with how meekly he said, “.
When you die I'm going to scalp you and make myself a wig out of that hair.