Pork butt roast?

Wesg said:

pork butt roast. My friend got this and wants me to cook it. Cook it like a butt???

My friend, if you truly have a "pork butt roast", it is simply a full size "Boston Butt" that has not been cut down or reduced in size. This is one time that a pic would come in real handy. Why you ask? Because it is not uncommon for different regions to use a catch name as a sales pitch. Or to just accidentally mislabel something. 
There are several types of pork roasts. Here are a few of the more common ones. 

Pork butt roast. 
Boston Butt. This is the same as a Pork Butt Roast. However, in the southern region of the US, Pork Butt Roast always implies that it's the whole Boston Butt. Boston Butt can imply that it's either the whole Boston Butt or a part of it. 
Center cut loin roast. 
Center cut rib roast. 
Loin roast. 
Tenderloin roast. 
Sirloin roast. 
Blade End roast. Can be boneless or bone in. 

Without seeing it I can only go by the name given. With that said and aside, if you do indeed have a pork butt roast, then yes, cook it like a butt because that is exactly what it is. 
If the meat in question looks like this:

Then you have a pork butt roast. Let it rip my friend.