Used in informal situations among friends or family. During the family reunion, we were all kidding around at the dinner table.
Pro Tip 2/3
Not 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 3/3
Misinterpretation 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.