Coffee House Games are a series of writing games I made up just after college. Every now and then we get together and play, and often we post the results on the Coffee House Games Schlaugh.
(Older writings can be found on the Coffee House Games Tumblr.)
To begin, fold and tear up a few sheets of paper into 32nds (about 2"x1" slips). Depending on the game, players will write different items on the slips, then pile them up and draw a few at random. Next players write a story or poem, which includes the items on their cards. Many games have additional rules, like writing rotations or partners. You can also mix and match to create your own game.
Here are some common things you'll write on the slips: