Flip cup has many names, canoe, taps, etc. The rules are simple, this is a race against time, so CHUGG up as fast as you can and flip your cup.
As soon as the first player cup lands perfectly on the edge of the table, the next player can start CHUGGING their cup, and the race goes on with the rest of the players. Whichever is the first team to flips the last cup first wins the game.