dander

noun

1. (uncountable, usually)Dandruff—scaly white dead skin flakes from the human scalp.
2. (uncountable, usually)Hair follicles and dead skin shed from mammals.
3. (uncountable, usually)Allergen particles that accumulate on and may be shed from the skin and fur of domestic animals, especially from household pets such as cats and dogs.
4. (Scotland)A cinder; (in the plural) the refuse of a furnace
5. (slang)Passion, temper, anger. Usually preceded by "have" or "get" and followed by "up".

   “He'll get his dander up if his team is criticized.”

   “She has her dander up every day about discrimination against women.”

   “Don’t talk to me about daring to do this thing or t’other, or when my dander is up it’s the very thing to urge me on.”

verb

1. To wander about.

   “So as neither of them were particularly pressed for time, as it happened, and the temperature refreshing since it cleared up after the recent visitation of Jupiter Pluvius, they dandered along past by where the empty vehicle was waiting without a fare or a jarvey”

   “"I'll have no more of it. I'll have no more Dinny Ryans handlin' flesh and blood of my gettin'. Ye'd see me dyin' for a sup of drink to give me peace, and you philanderin' and danderin' with yon scut of a fellow, and worse doin's behind that, if the truth is told."”

2. To maunder, to talk incoherently.