Lafin
Laughing so hard you think you're going to explode. You can’t even form sentences. You just yell 'LAFIN' like you're trying to scare someone.
He said his dog could speak Spanish and I was LAFIN so hard I got a headache.
She told me her pencil was in love and I was LAFIN so loud the teacher wrote me a note.
He said he turned his homework into a dragon and I was LAFIN so hard my brother laughed too.