BUS NUTTER
Mentally ill person who uses public transport.Can spoil your journey by talking to them self (loudly) or talking to you.Can be amusing, but laughing at them can make them angry.
Failure to repress those who laugh alone does not improve public transport.
Bus Nutter
A person who nuts on a bus in broad day light
Everyone: omg- your a bus nutter- you nutted on the bus