Bill and coo definition

Bill and coo

1) Be lovey-dovey 2) Be romantic 3) Behave amorously 4) Get romantic 5) Make out 6) Murmur loving words 7) Talk amorously 8) Terms of endearment 9) Whisper sweet nothings
Found on https://www.crosswordclues.com/clue/bill-and-coo

---