A little fucked up
Not totally insane, but you’re close. Like you’re still mostly sane but you’re starting to lose your grip.
I told my teacher I was a little fucked up after I drew a mustache on the principal's face.
He said he was a little fucked up because he ate his math homework.
She posted on Instagram, 'Today was a little fucked up, I fought my brother over the last slice of pizza.'