Top Definition
Anyone born 9 months after a blackout. Presumably the parents found something to do while the power was out that didn't involve electricity...
The great northeast US blackout of 1965 happened in early November. Nine months later, I was born - a blackout baby! Guess I know what my folks were up to when the lights were out (ewwww....)
by M R P April 27, 2008
Someone who lies about blacking out the night before so they don't have to take responsibility for their actions.
"Karen says she doesn't remember hooking up with Ryan. She's such a blackout baby."
by Gretchen22 January 05, 2008
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