Fool is an adjective to qualify a woman naive, who believes in everything and in all people, often being called pejoratively as an idiot.
The term appeared during the Middle Ages, when there were court jesters, who made fun of entertaining the king and nobles, during their meals and feasts. They were the court clowns.
Without being pejorative, silly can also be used to call a person fun, who does funny things for others to laugh, keeping the original meaning of the word.
Boba is also used to describe something that doesn't matter much, something unnecessary.
It is also used to qualify a person who was amazed and showed surprise when faced with something new.
There is also Boba Fett, who is a character from the Star Wars series, who is both a villain and a hero in the movie The Empire Strikes Back. In the movies, Boba Fett is a bounty hunter, clone of his father and hired by the Empire and Jabba to find and capture Han Solo and Chewbacca. Boba appears in Attack of the Clones, The Empire Strikes Back and Return of the Jedi.