Top Definition
The act of sleeping during the day and waking up after dark.
After working all night galaxy goes into vampire mode.
#sleep #tired #rest #passed out #unconscious
by Anguish March 01, 2013
When you have been binge drinking for so long that your body rejects solid food.
I've been off work for a week and I'm in vampire mode now.
#alcohol #binge #booze #hangover #sick
by stupenzo October 03, 2013
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