Wig out Definition 1 of 3Pro Tip 1/3Emotional Overwhelm Used when someone reacts extremely and cannot stay calm. Dad will wig out if he finds the broken window. Pro Tip 2/3Negative Situation Often signals a negative reaction; rarely used for positive scenarios. She might wig out if she misses her flight. Pro Tip 3/3Informal Not suitable for formal conversations; best for casual talks. Sorry I'm late; hope you didn't wig out waiting.