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2.
Sleepydrunk is a term which applies when you have reached that state of consciousness in which you are so tired (exhausted, sleep deprived, etc.) that you begin to act drunk. Usually begins occurring after 36 hours without sleep. It can also occur when you only get a few hours of sleep a night for several nights.
Pete: Hey man wazzup?
Joe: Dude, Pete are you drunk?
Pete: Nah, jus' haven't slept in few days...
Joe: You're slurring your speech and stumbling around. You must be sleepydrunk
by ErictheAzn February 09, 2010
 
1.
When youre so so tired you act kinda drunk, even tho you had no drinks at all.

You say stuff that make no sense and sometimes dont even remember you said it.
Dani: so yesterday you answered my text saying "my my girl?" Like wtf was that?
Larry: Really??? I had no idea, im sorry. I guess i was sleepy drunk...
by shrekie<3panda April 03, 2010