2 definitions by Kupo

Half-Life

1. The length of time needed for half the atoms of a radioactive isotope sample to decay
2. A sweet game

We are learning about Half-Lifes in Science.

I pwn at Half-life 2.

by Kupo December 21, 2004

The number proceeding two but before three.

10...9...8...7...6...5...4...3.wait whats after three? Oh yeah, mord, 2...1...0...umm...what now?

by Kupo December 5, 2003