How to Pronounce "headcase"
word
Definition
An informal and often humorous word for someone behaving strangely, irrationally, or acting crazy. Usually not meant as a serious insult, but can be offensive if used harshly.
Listen in Context
He's such a headcase sometimes.
Don't be a headcase about it.
My brother is a real headcase.
After that prank, everyone called him a headcase for weeks.