When you take too many shots in a foreign bar and break away from your friends to make out with a foreigner. Upon returning to your friends, you transfer some of that foreign saliva to a fellow American.
Evan: "Is that Nicole and Josh sucking face in the corner booth?!" Mike: "Yeah brah, but rumor has it she just pulled an international tongue twister on him" Evan: "Sick!"
It is a game you play using a twister board instead of playing the old way in my lock-a-twister game you and your partner must use ur mouth your lips etc. Etc. It's an adult sex game