Faceious
Someone who’s like a kid who got a scratch and thinks it’s a monster; they turn little things into huge problems and then laugh about it later.
I tripped in the hallway. Now I’m telling everyone about it like it was a big event.
He got a bad grade. Now he’s giving a speech about it in the cafeteria.
She forgot her lunch. Now she’s making a whole story about it on her phone.