The meaning of Hot under the caller idiom is when someone is visibly angry, agitated, or upset. When someone is hot under the collar, their emotions have reached a boiling point, causing them to react strongly to a situation, often with frustration or irritation.<\/p>\n\n\n\n
The idiom “hot under the collar” origins in the physical manifestation of anger. This idiomatical expression was tracked in the 19th century and has since become common use in day-to-day conversations.<\/p>\n\n\n\n