Get one's back up British phrase informal
To start to be irritated or make someone feel annoyed.
He got his back up when he saw my dog pooping on his lawn.
Hey, calm down! Getting your back up won't help you deal with the problem.
The incessant noise from the drill starts to get my back up.
To argue with somebody
1. Become angry or lose self-control
2. To plunge into the deep part of a pool
To look or glare very angrily at someone
A deliberate provocation will surely result in an adverse reaction such as angry and violent actions.
The verb "get" must be conjugated according to its tense.
The phrase refers to the behavior of the domestic cat, which arches its back when it is attacked by a dog or is otherwise annoyed. This expression dates from the early eighteenth century as to "put" or "set up the back."
The similarity between the children and their parents
I looked at my father's eyes, then looked at my eyes. I thought the apple doesn't fall far from the tree.