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Short for Excess. Used in Science like chemisty.
There is .05 mL of NaOH3
There for NaOH3 XS
by Deathstar2x April 21, 2005
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A smiley face that can be used to express stress, embarrassment, or just when someone is trying to be cute!

Used in the same circumstances as >.<
Person A: I have 3 essays due in next week! XS

Person B: You think thats bad? I have 4, aaaand i just walked into a door! XS
by Paigeyykins January 10, 2010
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XS stands for Xiaolin Showdown. Originally airing on the Kids WB! block of programming on WB Network in 2003, the series ran for 3 seasons and 52 episodes. Typical episodes revolve around a specific Shen Gong Wu being revealed which results in both sides racing to find it. Episodes usually reach a head when one good and one evil character must challenge each other to a magical duel called a Xiaolin Showdown for possession of the artifact.
Hey! It's Chase Young from XS!
by Tinker Binker November 23, 2010
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When referring to extra-small, a size of clothing.
It's usually hard to find xs clothing, since everyone in America's xxl.
by Loose Translation June 27, 2005
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