sillyperson
nounUK /ˈsɪliˌpɜːsn/
US /ˈsɪliˌpɜːrsn/
A silly person is someone who acts funny and goofy.
My little brother is such a sillyperson that he wears his shoes on his hands.
OTHER MEANINGS
2. Someone who makes jokes to make people laugh.
The sillyperson at the party told funny jokes all night.
3. A person who does goofy things on purpose.
She is a sillyperson who loves to dance in the rain.
4. A playful way to call a friend who is being funny.
You sillyperson, you put the book on your head!