noun Australian Slang.
QUIZ YOURSELF ON THESE WORDS FROM BROWN GIRL DREAMING!
Origin of top-off
British Dictionary definitions for top-off
Idioms and Phrases with top-off
Fill a container, especially when it is almost full to begin with. For example, I don't need much gas; just top off the tank, please. [First half of 1900s]
Finish, especially in a spectacular way, as in They topped off their trip with a visit to the White House. [First half of 1800s]