To move about carelessly, playfully or boisterously.
To prance, frolic, gambol.
To engage in extravagant pursuits, especially of a sexual nature.
To act in a tricky, inconstant way, saying one thing and doing another.
To be recklessly inaccurate, inappropriate, or otherwise ignoring guidelines and conventions.
To ignore proper behavior or social conventions, especially when it suits one's purpose.