Learn English idioms with meanings and examples

🌎Region: International 📊Difficulty Level:intermediate

hot under the collar

To feel angry, irritated, or embarrassed—often suddenly or in response to criticism.

From the physical sensation of warmth and flushing around the neck/chest area when someone is angry or embarrassed; the “collar” points to the neck area where this heat is felt.

Often implies someone is visibly or noticeably annoyed/embarrassed. Common in spoken English; can range from mildly irritated to quite angry depending on context.

  • He got hot under the collar when the referee missed the obvious foul.
  • I was starting to feel hot under the collar after waiting on hold for an hour.
  • She gets hot under the collar whenever someone questions her integrity.
  • Don’t get hot under the collar—let’s talk it through calmly.
  • The email’s rude tone made him hot under the collar all afternoon.

Usually used with a form of “be” (get/become) + hot under the collar: “He got hot under the collar.” Can be modified by adverbs (really, a bit). Fixed phrase; “the collar” is standard.

  • get angry
  • lose one’s temper
  • get worked up
  • get upset
  • see red
  • stay calm
  • keep one’s cool
  • remain unruffled