kick up (your) heels

American & Australian

to do things that you enjoy.

After the exams, we kicked up our heels and had a really good party.

• on a shoestring
• on a silver platter
• on a slippery slope
• on a tangent
• on automatic pilot
• on a wing and a prayer
• on back
• on balance
• on behalf of
• on behalf of someone
• on bended knee
• on bended knees
• on best behavior
• on blocks
• on board
• on borrowed time
• on call
• on case
• once again
• once and for all
• Once bitten, twice shy.
• once in a blue moon
• once-in-a-lifetime
• once in a lifetime
• once in a while