To act in a rash, reckless, or headlong manner.
To bet without having examined the cards.
To dupe in a friendly manner for amusement; to mess with, play with.
To do or say something for amusement rather than seriously.
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.