16 down
Nothing
upsets
snuggling
love
birds
(7)
Nothing upsets snuggling love birds (7)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
Birds is your definition, since orioles are indeed birds. You've got upsets giving you RILES, then snuggling love tells you to tuck O (love = nothing in tennis) inside it to make RIOLES, and bung another O on the front for good measure.