a particularly large, disgusting looking piece/portion of roadkill, usually squirrels but also including dogs, deer, rabbits, spare tires (if they are covered in blood), chipmunks, rodents, hairy animals, or celebrities, with lots of blood.
Holy piss, that was the biggest smimy I have ever seen! Turn around so we can take a picture of it!!
by Megan December 31, 2003