acting like a clown or buffoon
"After losing his job, he decided to act like a clown at every family gathering just to get back in everyone's good graces."
A practical joke or mischievous trick.
"The group decided to pull a prank on their boss by hiding all his staplers before the big meeting."
To perform a practical joke on; to trick.
"The group decided to play a prank on their neighbor by filling his mailboxes with confetti before he left for work."
Full of gambols or tricks.
"The children spent the entire afternoon running wild in a prank-filled garden, sliding down mud hills and hiding behind every bush."