You know what it looks like… but what is it called?
TAKE THE QUIZ“be on”
The following 3 entries include the term be on.
be on intimate terms
idiom: to have a close relationship : to be close friends
be on one's merry way
idiom: to leave a place
be on the lookout for
idiom: to watch or search for (something or someone) : be alert to
Love words? Need even more definitions?
Merriam-Webster unabridged