get dander up
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get (one's) dander up
To become annoyed or angry. Don't get your dander up with me—I'm just trying have a conversation here. I know I got my dander up a bit last night, so I understand why you're avoiding me.
get someone's dander upand get someone's back up; get someone's hackles up; get someone's Irish up; put someone's back up
Fig. to make someone get angry. (Fixed order.) Now, don't get your dander up. Calm down. I insulted him and really got his hackles up. Bob had his Irish up all day yesterday. I don't know what was wrong. Now, now, don't get your back up. I didn't mean any harm.
get someone's dander up, to
To make someone very angry. The origin of this term is disputed. Most likely “dander” comes from the Dutch donder, for “thunder,” but there are numerous other theories. The earliest reference in print dates from 1830, in Seba Smith’s Letters of Major Jack Downing: “When a Quaker gets his dander up it’s like a Northwester.” Also see get someone's back up.