Powersome

"Uch ay," said MacErchar, "they be's powersome brutes— powersome brutes, in troth, and plaguy cunning..

So he moseyed over by the tracks to light up and loiter in the darker shadows of the water tower as a million years went by and then at last he spied the headlamp of a powersome Baldwin 4-6-2 puffing, thirsty, up from the southwest.

“Gun, yes! But he is rich and powersome, and was our mayor. […]”