nibble at

nibble at something

to take tiny bites of some kind of food. The children nibbled at their dinner because they had eaten too much candy. Stop nibbling at that candy.
See also: nibble

nibble at

v.
1. To eat something by taking small bites: The mice have been nibbling at the curtains.
2. To eat a small amount of something, especially unenthusiastically: She only nibbled at her peas.
3. To bite something but not break the surface; nip at something: My date nibbled at my ear during the movie.
See also: nibble
References in classic literature ?
Crouching beside the brook, I waited until one of the diminutive purple whales rose to nibble at the long grasses which overhung the water, and then, like the beast of prey that man really is, I sprang upon my victim, appeasing my hunger while he yet wriggled to escape.
Rabbits will often nibble at the bark of these prunings in preference to young trees," said Ministry of Agriculture Horticulture Advisor Mr.
EAR WE GO: Sienna gives tasty Jude a nibble at Wimbledon yesterday; CHEEKY: The canoodling continues with a kiss on the side of his face; Pictures: ALPHA
Worthy groups such as the League of Conservation Voters can only nibble at the edges of our society's environmental problems because they are structured as "beggars at the door.
Each story is 20 to 30 minutes long, one per tape side, so it is possible to nibble at the stories like English toffees.
We think this is an interesting level for speculative accounts to nibble at pilot positions, or average down if bought earlier.