IdiomDaily LifeEnglish

butt in

Meaning: To interrupt or interfere; to push in.

Example: “Sorry to butt in, but your car's headlights are still on.”

Origin: The verb is the one horned animals supply. To butt is to strike with the head, from an Old French root, and it names the specific way a ram or goat makes an entrance — head first, without preamble, and with no interest in whether the space was open. That is the whole content of the idiom: butting in is not merely joining a conversation but forcing a way into one, leading with the least conciliatory part of oneself. The phrase is American, attested from around 1900, and the choice of animal matters, since a ram butts to assert precedence rather than to feed or defend, which is precisely the complaint made against a person who does it.

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