Doing things like wave your arms around like a marionette or something to make the others and himself laugh.
I don't have co-workers or students -- I have Zoolanders.
And it would also be part of a claim of sorts.
If you call the fuzz over somebody blaring Girls' Generation's greatest hits for hours on end, they'll just laugh at you and tell you to deal with it.
Rather, it also includes family members and even some friends as well.