Leapling

A person who was born on the 29th of February. So if they were born on the 29/02/2004 they will only be 2 years old now (2012) because it is only the 2nd time it is the 29th of February. They are actually 8 but it only the 2nd time that it is the actual date of their birthday.

Friend: Happy 8th birthday!
Birthday person: Thanks.
Other friend: No he's only 2.
Friend: Why?
Other friend: because its only the 2nd time it is the 29th of February! He's a leapling!
Friend: That's true!
Both friends: Happy 2nd birthday!

Exercise

Actions involving effort that most people reading this would not do.

WHAT!???? CYCLING? BUT THAT'S EXERCISE!!

Keyboard Freeze

When you play computer games so long that your fingers get frozen and/or you can't type properly. This can also mean that your keyboard isn't working.

Friend: Man you've been playing for 3 hours!
You: Yed I jknow
Friend: Dude what was that?
You: I havbe keyboard freeze.
Friend: Go take a break and do some exercise!