Fetty Wap -- I Broke My Leg in Three Places After Motorcycle Accident

Fetty Wap is battered and bruised ... revealing he badly injured his leg during his motorcycle wreck.

A clearly dazed Fetty posted a video on Instagram ... letting everyone know, even though he's busted up, he'll be alright.

As we reported ... the "Trap Queen" singer wrecked his motorcycle Saturday in his hometown of Paterson, NJ while trying to pass a vehicle.