hot under the collar (adjective)

1. The client was hot under the collar when he saw that the contractor had completely disregarded his design specifications.

2. In the cartoon, the character's face turns bright red, indicating that he is hot under the collar due to his frustration.

3. The protagonist's love interest made a comment that left him hot under the collar and he stormed out of the room in anger.

4. The dragon slayer's blood boiled, and he became hot under the collar, ready to face the menacing creature in an epic battle.