10 definitions by mad at the world

what you say when your talking casually with friends and your mom walks in the room
What the hell(mom enters)-o mom.
by mad at the world March 24, 2003
Get the hello mug.
O(squared) .. 22%oxygen 78%nitrogen.. simi-transparent gas found in the lower atmosphere. You breath it.
Alien: "Gah!, they have Air, this planet is totally uninhabitable"
by mad at the world February 28, 2003
Get the air mug.