The Act of "Toking a Bloke" Refers to, Smoking a Fag.
The fag will drop his pants leaving his swollen member ready for "Toking".
or if you still don't get it...
SUCKING DICK!.
Droseff: "This American Beer tastes like Watered down Ant Piss".
Bro: "No way!, American Beer is the shit!".
Broseff: "Oh go toke a bloke".