You know what it looks like… but what is it called?
TAKE THE QUIZ“top it”
The following 2 entries include the term top it.
to top it all
idiom—used to indicate a final thing that happened that was even better, worse, etc., than what happened before
to top it (all) off
idiom—used to indicate a final thing that happened that was even better, worse, etc., than what happened before
Love words? Need even more definitions?
Merriam-Webster unabridged