Big Sean Denies Being Slapped; Claims Mental Patient Lost It

(AllHipHop News) Big Sean has shot down reports that a fan allegedly slapped him after an incident during an album signing event.

Big Sean tried to quell the chatter over the incident, which happened at the FYE record store in Queens, New York as he signed copies of his hit album I Decided.

A video shows an unknown man on the floor of FYE on Friday after being taken down by security guards.

The cops immediately shut down the signing and…