adj. Obvious or absurd, such that it is reminiscent of NBC's "Seinfeld."

When you eat dirt for the first time and leave your family to build a shack in the woods

You know you are a Seinfeldian if you argue over the top of a muffin, which marsmallow is bigger or something stupid like that.

Person who follows the teachings of Seinfeld

tedious or obsessive to the point of being ridiculous

adj - to describe a chain of dates. To keep motivated to do an activity every day, Jerry Seinfeld used a large calendar and a big red marker. Everyday that had success got a big, red "X". The secret? “Don’t break the chain.” “Don’t break the chain.”