Wiktionary
nick off
alt. (context AU slang English) To leave, especially in a hurry. interj. (context UK Australian English) Go away! fuck off vb. (context AU slang English) To leave, especially in a hurry.
Usage examples of "nick off".
After all, he had knocked Nick off his feet with two lousy punches.
In Ashland, Lucy had often taken Roman and Nick off her hands for a day or an afternoon, allowing Mirelle uninterrupted time to work.
Lisa rolled over, spat out grass, and shoved Nick off her with a sharp elbow.