1.a person who lacks good judgment
2.a person who is gullible and easy to take advantage of
3.a professional clown employed to entertain a king or nobleman in the middle ages
1.make a fool or dupe of
2.spend frivolously and unwisely;
Fritter away one's inheritance
3.fool or hoax;
The immigrant was duped because he trusted everyone
4.indulge in horseplay;
Enough horsing around--let's get back to work!