verb (used without object), war·bled, war·bling.
verb (used with object), war·bled, war·bling.
Origin of warble1
Examples from the Web for warbling
And Christopher Walken warbling and doing a little soft-shoe?‘Peter Pan Live!’ Review: No Amount of Clapping Brings It to Life|Kevin Fallon|December 5, 2014|DAILY BEAST
Then, after a long wait, a man begins to play a song on a zither-like instrument, singing an exotic, warbling tune.
It began in November when Paltrow slipped into a tiny dress and delivered a warbling performance at the CMA Awards.Gwyneth Paltrow and the Rise of the Country Carpetbagger|Bryan Curtis|January 6, 2011|DAILY BEAST
I can hear her now warbling her own rendition of "His Eye Is on the Sparrow."
And in order to verify his words, he began to counterfeit the warbling of larks.Breton Legends|Anonymous
It was Nicetas's turn, and he flew past the target with his warbling scream, standing in the stirrups.The Saracen: Land of the Infidel|Robert Shea
A Bohemian shepherd chanced to pass that way, warbling something on his pipe, as he wended towards looking after his flock.History Of Friedrich II. of Prussia, Vol, II. (of XXI.)|Thomas Carlyle
Since it was Toners it would be the fathers side; not the warbling mothers.Adrienne Toner|Anne Douglas Sedgwick
And whilst she was warbling the door of the salle opened and in walked Laurent.Despair's Last Journey|David Christie Murray