These two colorful terms refer to a hand that has a two-way draw to complete a straight. However, the necessary card(s) needs to be in the middle of the run, not at either end. Mathematically, it is the same as an open-ended straight with 8 outs. Its first cousin is a belly buster, also known as an inside straight. This hand needs one card in the middle of a run to make a straight. That means only 4 outs.