1. rark up - Noun
2. rark up - Verb
(New Zealand, slang, transitive) To tell (someone) off.
(New Zealand, slang, transitive) To provoke or hurry (someone) into doing something.
(New Zealand, slang, transitive) To make (someone) angry or annoyed.
(New Zealand, slang) A telling off.
(New Zealand, slang) A provocation.
Source: en.wiktionary.org