Played like a porpoise

WordNet Word definitions in WordNet
n. gay or light-hearted recreational activity for diversion or amusement; "it was all done in play"; "their frolic in the surf threatened to become ugly" [syn: play , romp , gambol , caper ] [also: frolicking , frolicked ]

Wiktionary Word definitions in Wiktionary
vb. (en-past of: frolic )

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Frolic \Frol"ic\, v. i. [imp. & p. p. Frolicked ; p. pr. & vb. n. Frolicking .] To play wild pranks; to play tricks of levity, mirth, and gayety; to indulge in frolicsome play; to sport. Hither, come hither, and frolic and play. --Tennyson.