gambolling

/G AA0 M B OW1 L IH0 NG/
verb
  1. 1

    To move about playfully; to frolic.

  2. 2

    To do a forward roll.

noun
  1. 1

    The act of one who gambols.

Source: https://en.wiktionary.org/wiki/gambol, https://en.wiktionary.org/wiki/gambolling