Make sure you have everything you need. Get your jager, coke, glass, bar spoon and jigger.
Fill up your glass with ice - it should be filled almost totally with ice.
Get your jager and your jigger. Use your jigger to measure and pour 2 oz of Jager into your glass.
Get your coke and jigger. Use your jigger to measure and pour 4 oz of Coke into your glass.Note: If you want to skip measuring the coke, you can just top the glass off with it instead of using your jigger. Now mix everything together slowly with your bar spoon.