crocodiley

adjective2

1. •
   (informal) Resembling or characteristic of a crocodile.

   • “Incongruous, but there you are,” Finlay added, giving Norma one of his crocodile smiles which had become even more crocodiley since he’d acquired an eye patch. — 1987
2. •
   (informal) Of a body of water: inhabited by or typical of crocodiles.

   • We had to swim three separate channels of the river, each of considerable depth, but so narrow that a couple of strokes landed us on the other side; but they looked so “crocodiley”! — 1899