What does "corked" mean?

This is the biggest and the most common mistake made about a description of legitimate wine fault. For a wine to be corked a chemical reaction has to alter the taste and smell of the wine. It occurs with the alcohol in wine from a too harsh solvent that's used to bleach corks. If it's corked mildly you will only lose some of the aromas of the fruit but if it's corked badly it will smell like wet cardboard.