Crossword puzzle clue "what tell you don't know what to say 2 wds"

"What ___ tell you?" ("Don't know what to say"): 2 wds.

"Don't tell me, don't tell me!"

Goo Goo Dolls song that you probably know from the way John Rzeznik snarls "But you don't even know who I am"

"Boxers or briefs?" and "Tell us something the voters don't know about you", e.g.

"Don't know ___, but I know I love you"

"If You Don't Know Me By Know" band

They know things you don't think they know

What you say to tell someone you're out of bed: 2 wds.