v. phr. , informal To have a merry time; celebrate. When exams were over the students went to town to kick up their heels. Mary was usually very quiet but at the farewell party she kicked up her heels and had a wonderful time.
KICK UP ONE'S HEELS
Meaning of KICK UP ONE'S HEELS in English
American idioms English vocabulary. Английский словарь американских идиом. 2012