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(Noun) The combination of one or more Benadryl capsules with an alcoholic beverage.

(Verb) The desperate action washing one or more Benadryl capsules down with an alcoholic beverage.
Example

Person 1: I haven't slept in days!
Person 2: Have you tried Beernadryl?

Example

Person 1: If I go to sleep right now I'll just wake up at 5:00 to piss and not be able to go back to sleep. FUCK!

Person 2: You should Beernadryl!
by KenSmellsGood.com April 28, 2012
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