sorry could not resist.. [glasses]
You feel nauseated, not nauseous. Nauseous means you make other people feel nauseated. At least I hope you are not nauseous.
---BrianW
Most dictionaries list nauseous meaning 1) causing nausea 2) affected with nausea (below three entries from dictionary.com). While latter being technically incorrect, that is actually the meaning most people understand (so in a few years it probably will not be considered faulty by any standard).
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nauseous
1)Causing nausea; sickening: “the most nauseous offal fit for the gods” (John Fowles).
2)(Usage Problem, note below). Affected with nausea.
Usage Note: Traditional critics have insisted that nauseous is properly used only to mean “causing nausea” and that it is incorrect to use it to mean “affected with nausea,” as in Roller coasters make me nauseous. In this example, nauseated is preferred by 72 percent of the Usage Panel. Curiously, though, 88 percent of the Panelists prefer using nauseating in the sentence The children looked a little green from too many candy apples and nauseating (not nauseous) rides. Since there is a lot of evidence to show that nauseous is widely used to mean “feeling sick,” it appears that people use nauseous mainly in the sense in which it is considered incorrect. In its “correct” sense it is being supplanted by nauseating.
Source: The American Heritage® Dictionary of the English Language, Fourth Edition
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nau·seous (nôshs, -z-s)
adj.
Causing nausea.
Affected with nausea.
Source: The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Main Entry: nau·seous
Pronunciation: 'no-sh&s, 'no-zE-&s
Function: adjective
1 : causing nausea
2 : affected with nausea
Source: Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.