Your back is up Meaning in English
expression
Definición
This expression means someone is feeling defensive, annoyed, or upset, as if they are ready to argue or protect themselves.
Uso & Matices
Informal and often used when someone reacts strongly or seems easily irritated. The phrase comes from a cat raising its back when threatened. Usually describes emotional self-protection, not physical posture. Commonly heard as "Why is your back up?" or "You got your back up."
Oraciones de Ejemplo
When you talk about that topic, your back is up.
basic
I could see your back is up after that comment.
basic
Why is your back up today?
basic
You don't have to get your back up every time I ask a question.
natural
The minute I mentioned her mistake, her back was up.
natural
Don't take it personally—it's not worth putting your back up over this.
natural