An inability to walk due to an equilibrium malfunction as a side effect to alcohol consumption. The individual possessing the schwave legs will often not know what's wrong with them. Sometimes schwave legs can be countered with weight, for example, carrying a cooler.
Dave - "I keep falling down!! What's wrong with me?"
Jon- "I think you caught a case of SCHWAVE LEGS. Your equilibrium may be off from those tequila shots"
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