whiddle

verb2

1. •
   (slang) To inform on someone.

   • He said he only wanted one thing — if I'd chuck Gursey out again, in case he went whiddling to the colonel. — 2003
2. •
   (no longer used) To shine.

   • Old Noll is whiddling bright, / The dull world is asleep, / 'Tis a high spiced Toby night, / Let's in our saddles leap; […] — 1845