Pi

A number that is 3.1415926535897932384626...
You can memorize the first 50 digits and then say you know hundreds because people get bored of listening to you say numbers.

You: I know 200 digits of pi
Friend: Show me
You: 3.141592653589793238-
Friend: Wow
You: That wasn't all of them
Friend: I don't care

plokm

The best word.
A word you discover when your bored and typing randomly.

You:"DUDE, I just discovered something that will save the world!!"
Friend:"What is it?"
You:"PLOKM!!"

sdutdcvwsdciguvbkbihbnj

You type this thinking "I probably the first one bored enough to type this."
You click enter.
Then you realize that someone was more bored before you.

Friend:"What do you want to do?"
You:"sdutdcvwsdciguvbkbihbnj"
Friend:"You were learning number theory weren't you."

potato

The best thing.
The places it's grown are the best, namely Idaho and Ireland. They are so great that many museums have been built just for them. They are so great that when they went bad a million people died.
I am potato

Person 1:"What do you want to do?"
Person 2:"Potato."
Person 1:"What?"
Person 2:"POTATO!! Potato, potato potato, pototo."