(verb) - The ingestion or application of amounts of Obama in quantities far greater than one's body can physically handle without having built up a high tolerance to the aforementioned President. Can have long-lasting and seriously detrimental effects on both physical and mental health, including (but not limited to) blurred vision, vomiting, visual and auditory hallucinations, irregular heartbeat and/or breathing, dizziness, memory loss, blackouts, slurred or unintelligent speech, impaired motor skills, heavy sweating, pale skin, violent behavior, coma, and sometimes death.
Matthew walked into Round Table the other day to get a pizza, and when he saw Obama's face staring out from every TV screen, he suffered an obamerdose and ended up in the ER.
After experiencing the 2008 presidential elections in California, Kieran passed out and died from choking on his own vomit. Cause of death: Obamerdose