Haha Funni
You say 'haha funny' right after someone says 69 because you're confused, high, and also a little bit weird.
He said 69 and I said 'haha funny' and then I laughed like a maniac.
She said 69 and I said 'haha funny' and then I cried.
He said 69 and I said 'haha funny' and then I fell off the chair.