1 definition by mchap

To turn the shower on and get it extremely hot and steamy in the bathroom and smoke weed in there once it is hot. The heat gets you high quicker and it also feels great when you leave the bathroom.
Example: Hey bro, wanna go do a Jamaican Steamroller in your bathroom real quick?
by mchap January 13, 2009
Get the Jamaican Steamroller mug.