You know what it looks like… but what is it called?
TAKE THE QUIZ“of-us”
The following 3 entries include the term of-us.
all of us
idiom: we all
one of us
noun phrase: part of one's group and thus trustworthy
that makes two of us
idiom—used to say that one has the same thoughts or feelings as someone else
Love words? Need even more definitions?
Merriam-Webster unabridged