An adjective used to describe a person whom you do not vibe with.
A stutty person may be perfectly nice and perfectly attractive but they lack meaningful connection with you to the point of deep annoyance
My friend: « Wanna invite Amelia to the sesh tonight?»
Me: « Nah, I mean she’s nice and all but a bit stutty ngl »
Loosing your mind or acting in a crazy manner
That girl in the police car is stutty , what's wrong with her.