Coffee joint is like a joint, except it's for coffee. You roll a piece of paper and light the joint then light the stove with it. You then proceed to make coffee in a stovetop espresso maker. Coffee is not possible without the coffee joint.
Party poopers who ruin the whole concept of "Jinx." Happens when someone says something at the same time as someone else and they both say jinx at the same time. After maybe five times of saying jinx together, one says 'Jinx Infinity' and claims he wins.