[header] How to stay lucid while drinking jaegermeister [title] Drink water. [step] Alcohol dehydrates you, and since jagermeister has such high alcohol by volume, it dehydrates you very quickly. Try alternating a full glass of water with every drink of jager you take. 
The water will slow down the dehydration process and keep you from getting too drunk. [substeps] Understand that because you are drinking so much water, you will be running to the bathroom quite frequently.