Similes compare two things. Because clowns are considered by most to be very funny, the object would also have to be something funny. Therefore you could say...
A clown is as funny as a **medieval ** joker .
A clown is as funny as a **** cat barking like a dog .
A clown is as funny as a comedy movie .
a similes for that is A clown is as funny as my sister falling or a clown is a funny as a dog barking you really have no wrong answer with that
A clown simile compares its humor to other funny images or situations. Examples include comparing a clown's humor to dancing elephants or a dad telling jokes. Using similes enhances the imagination and understanding of humor.
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