A bloke wanders into a public dunny and has a piss. He has a quick look at the nigga standing next to him and gasps “wow man that’s a bloody impressive tool you got there! Wish I had one meself!”
The negro says “that’s easy baas. Y’all hang a roped house brick from yer knob and it’ll be like mine in a month.”
Bloke thanks him, zips up and goes off.
As chance would have it they both meet up at the public urinal at the same time 2 weeks later. The whitey removes the brick and starts pissing.
Black bloke asks how’s it going with his suggested brick method.
“Great mate! It’s half black already!”