'lark about' definitions:

Definition of 'lark about'

From: WordNet
verb
Play boisterously; "The children frolicked in the garden"; "the gamboling lambs in the meadows"; "The toddlers romped in the playroom" [syn: frolic, lark, rollick, skylark, disport, sport, cavort, gambol, frisk, romp, run around, lark about]