English to English

noun (n)

• a wild and exciting undertaking (not necessarily lawful)(noun.act)

  Synonym:
  adventure, dangerous undertaking, risky venture
  

  source: wordnet30
• any carefree episode(noun.act)

  Synonym:
  lark
  

  source: wordnet30
• The fling of a horse, or ordinary kicking back of his heels; a gambol.(noun)

  source: webster1913