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Descriptive of a person with personal issues involving mood swings, unpredictable disposition - similar to those caused by bipolar disorder or schizophrenia.
Him/her? Seems nice, but is riding the bipolar express...one day she'll hug you and the next day bite your head off for no apparent reason
by Jerome Engelberts June 15, 2007

Words related to riding the bipolar express

crazy deranged mood swings nuts schizophrenic unpredictable