Definition of "dutty"

Rain a fall but dutty tough

1966, Miss Lou, Dutty Tough

Let that be a lesson to never take you dutty, stinking, ghetto self uptown again.

2014, Marlon James, A Brief History of Seven Killings, Oneworld Publications (2015), page 10

This nasty bitch is too duttyWhy is the bitch so on me?

2020, Lil Slipz of Hoxton (lyrics and music), “EC1 Block Bully”‎, 2:35