When someone's dick is so small... that it can only be measured in decimal form.
Male Doctor: "I'm sorry, Rob. But you have a case of Decimal Dick Syndrome. Highly contagious. Please stay away from me."
Check out my Dewey Decimal System... Its HUGE!!!
Someone who is obsessed with fruit snacks and grape and always talks in caps-lock. But is cool at the same time. He is the most hype person to exist.
Person: I bought some fruit snacks
Decim: !!!!!!!!!!!!!!!! FRUIT SNACKS !!!!!!!!!!!!!
a mistake made by a fifth grader and was put in urban dictionary