^ 1. A person, thing, or group that is not cool, tending to be unoriginal. Often marked by the fact that it is out of touch with current trends.
2. (Archaic) One that cannot walk.
3. A body part that will not move, such as a leg.
4. A part of the body that is stiff or rigid, such as the back.
5. A thin plate of metal, or woven metal, used in armor.
The modern use of the word lame is directly related to the definition of not being able to walk. It doesn't move, it needs to be carried; it has no game, etc.
The fifth definition should have an accent mark over the "e" and is a French word that has been used by armor makers and users for hundreds of years.
1. Michael Jackson sucks, he's so lame. Since all these new flavors have come out, BBQ chips are lame.
2. Tiny Tim is lame, so he needs to be carried.
3. Bob Dole's lame arm can barely hold that pen.
4. Give me oxycotin; my lame back hurts so badly!
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