noun Date: 15th century any of several Old World wild grasses (genus Avena ), offenses and indiscretions ascribed to youthful exuberance
WILD OAT
Meaning of WILD OAT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012