Synonym of inside joke (“a joke that is understood or meant to be understood only by certain people who are aware of the details”)
An amusing story.
The root cause or main issue, especially an unexpected one
A laughably worthless thing or person; a sham.
Something that is far easier or far less challenging than expected.
Something said or done for amusement, not in seriousness.
To do or say something for amusement rather than seriously.
To dupe in a friendly manner for amusement; to mess with, play with.