rock up

== English == === Etymology 1 === From rock + up. ==== Verb ==== rock up (third-person singular simple present rocks up, present participle rocking up, simple past and past participle rocked up) (informal) To turn up at a place or function spontaneously or unexpectedly, without notice or prior warning. ===== Translations ===== === Etymology 2 === From rock (“stone”) + up. ==== Verb ==== rock up (third-person singular simple present rocks up, present participle rocking up, simple past and past participle rocked up) (climbing) To work one's way vertically up a chimney or cleft using a rocking movement. (slang, drugs) To turn powder cocaine into crack cocaine by cooking. === References === “rock up”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. === Anagrams === cork up