my head is swimming

My head is swimming is a common figure of speech used to describe a feeling, often ina way of exaggerating a certain type of feeling. Someones head may be swimming for a variety of reasons or feelings such as being confused, lightheaded, irrational, or have a very bad migraine. Many people also use this term when describing their head being fuzzy due to recreational or prescription medications or alcohol which can cause this type of effect.