Top definition
ex1/The act of standing up while on a motor
cycle and litteraly taking a shit off the
bike onto people on the sidewalk

ex2/the act of shitting like a motor
-aw fuck man, he just motorshitted all
over you

-dude those beans get to you fast
-ya you'll be motorshitting all night
by ownagemonger April 01, 2007
Happy St. Patties Day!