look up any word, like wyd:
When you buy 2 donuts and save the best one for last but when you get to the second donut it tastes like shit because you're so full from the first one.
-Oh man, I'm going to barf.
-I thought you liked blueberry donuts?
-Second donut syndrome man, sds.
by Maharadja Donut November 03, 2011