Possibly arose from Lincolnshire dialect, in which gawn and gooze both mean stare or gape. Popularised by L. T. C. Rolt in Narrow Boat (1944), a book on canal life.
gongoozle (third-person singular simple present gongoozles, present participle gongoozling, simple past and past participle gongoozled)
- To leisurely watch the passage of boats, from the bank of a canal, lock or bridge.
- To observe things idly.