1 kick the bucket
2 running with scissors
3 cherry on top
4 cold foot / cold feet
5 knock your socks off
6 something fishy
7 a fish out of water
8 keep your cards close to the chest
9 earworm
10 tie the knot
11 bird brain
12 living in the shadows
13 got the cat by the tail
14 spill the beans
15 on a silver platter
16 piece of cake
17 in a nutshell
OK... y'all keep going