1 definition by saschakhan

the crazy, severe hangover you get the morning after ballin out of control and consuming copious amounts of champagne.
The very painful, main symptom that occurs whilst experiencing a champagne brain is the unmistakable feeling that the bubbles from the drink are eating your brain alive.
After Michelle finished having it rain on her, Diddy bought her 5 bottles of Cristal. Too bad they both woke up with champagne brain.
by saschakhan June 19, 2008
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