Also,
clue up. Give someone guiding information, as in
It's time someone clued us in on what's happening, or
I hope they clue us up soon. This expression, which uses the verb
clue in the sense of "inform," is sometimes put simply as
clue (as in
I'll clue you-this isn't going to work). [
Colloquial; mid-1900s] Also see
not have a clue.