Kid around
Definition 1 of 1
Pro Tip 1/3Colloquial Use
Used in informal situations among friends or family. 
During the family reunion, we were all kidding around at the dinner table.
Pro Tip 2/3Not Always Funny
What one person thinks is kidding around might offend someone else. 
I was just kidding around when I made that comment, but I didn't realize it would upset you.
Pro Tip 3/3Misinterpretation Risk
People might take your words seriously if they don't know you're kidding around. 
She didn't catch my tone and thought I really wanted to quit my job when I was just kidding around.