Cynthia nibbled half a grilled cheese.
She nibbled on her lower lip.
The bay wandered up and nibbled at the hay.
The young seedlings are sometimes nibbled by the hare and rabbit; and on parts of the highland hills both bark and shoots are eaten in the winter by the roe-deer; larch woods should always be fenced in to keep out the hill-cattle, which will browse upon the shoots in spring.
He chuckled as she nibbled timidly at his neck.