Top definition
a really heavy person that is in front of you in line at Walmart, who lets out an obnoxious fart from their anal cavity , thus covering you in their poop dust!!!!
Dave: Laurie duck now we are in back of the biggest poopdustopotamus I have ever seen !!!
Laurie: Thanks Dave !!!!
Jamie(covered in poop dust): You both suck !!!!!!
by Nightwolf777 June 25, 2007
Happy St. Patties Day!