(as|) red as a cherry

used to describe someone who is extremely red in the face due to embarrassment

The phrase "red as a cherry" likely originated from the observation of cherries' bright red color, and it is now used figuratively to describe a flushed or reddened complexion, particularly in moments of embarrassment or shame. The comparison to a cherry creates a visual image of a person's face turning red, emphasizing visible signs of emotional discomfort. This phrase is often used to describe embarrassing moments, social blunders, romantic encounters, or situations where someone feels exposed or caught off guard. It can also be used to convey the feeling of being the center of attention or experiencing a sudden rush of emotions.

Every time he sees his crush, his face turns red as a cherry.
She often feels red as a cherry when she has to speak in public.
I blushed red as a cherry when I accidentally spilled my drink on the restaurant table.
They turned red as cherries when they realized they had worn mismatched socks to the important meeting.
Tomorrow, she will be as red as a cherry when she has to give a presentation to the entire company.

used to refer to a situation in which one becomes extremely angry, causing one's face to turn red

The origin of the idiom "red as a cherry" is not specifically documented. However, it can be understood as a figurative expression that highlights the physical reaction of blushing or flushing associated with intense anger or embarrassment. This phrase is used in personal interactions, discussions about emotional states, or descriptions of individuals experiencing strong emotional reactions. It finds application in situations where someone's anger reaches a heightened level, resulting in a noticeable physical change in their facial complexion.

Every time he gets criticized, his face turns red as a cherry in seconds.
She always turns red as a cherry when someone interrupts her during a presentation.
When he heard the news, his face turned red as a cherry with anger.
After the argument, her face was red as a cherry from shouting.
If he finds out about the mistake, he will turn red as a cherry in frustration.

turning really red in the face because of doing a lot of physical activities

My father was as red as a cherry by the time we reached the top of the hill.I was afraid he might have a heart attack or something!