get hot under the collar
To become angry. I'm sorry I got hot under the collar just then, I have a hard time hearing criticism about my novel. I know you get hot under the collar at times like this, but please, stop yelling at me!
get hot under the collar
If you get hot under the collar, you get annoyed about something. Biographers tend to get a little hot under the collar when conversation turns to the invasion of privacy. Note: You can also say that someone is hot under the collar. Judges are hot under the collar about proposals to alter their pension arrangements.