rark up v. phr. to disturb, annoy, or provoke (someone), especially verbally; to chastise or harangue; to stimulate, motivate, or excite (someone). Occasionally non-phrasal: rark. Also as noun, rark-up or rark, a chastisement, goading, or disturbance. Editorial Note: The Macquarie Dictionary has a similar term arc up, defined as “colloquial to react angrily: to arc up at a critical comment.” Thanks to John Yesberg for the tip. (source: Double-Tongued Dictionary)