-the art of sticking your finger into your anus, then pulling it out (hopefully your finger is covered with shat butter) and then wiping it under or within another person's nose.
Wow, that cheefer that you gave her was so grimy !
A challenge for only the strongest of stoners. Gather 4-6 people and buy the cheapest cart you can find, and pick a movie. Pass the brand new cart around the group and take turns taking blinkers. The goal is to empty the cart before the movie ends or before the entire group enters a weed coma.
Guy 1: Hey dude, you want to do a cheefer challenge this weekend? You can pick the movie.