- adjective

1. the state in which a baby's physical and mental faculties are impaired by an excess of breast milk. This occurs right after a baby breastfeeds.

2. state of being after a really huge meal.

Baby Charlie was so milk-drunk, he couldn't keep his eye's open but he had this huge smile that wouldn't go away.

by Min-D-Moo March 5, 2009
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Usually used to describe how sleepy and drunk-like a baby gets after drinking a lot of milk. They usually fall asleep while nursing/drinking from a bottle and look like a very content and comfortable passed out drunk person. Adorable.
“He’s so full, he’s milk drunk!”

“She nursed for thirty minutes and now she’s milk drunk”
by NineOneNine919 February 25, 2019
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When someone feels the effects of drunkness from a non-alcoholic scource.

Can be caused literally (for example milk, apple juice etc) or figuratively (for example drunk on Vibes, music or any other non-literal concept)
I was feeling real milk-drunk last Saturday after a heafty... hefty? whatever Milkshake so i started blasting Elton John's Saturday Night whilst headshotting people as Sniper (huntsman) in TF2 (totallynotbraggingoranything), until i decided to pull up Urban Dictionary and submit a definition for stupid word i made up.
by <Insert_Name_Here>? July 10, 2021
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A state of pure annoyingness that is reached after you have drank so much milk that everyone around you has to comment on it. Usually happens after three or four glasses of 2% milk.
Vicky: Golly, yesterday Emmanuel drank a whole 2L pint of milk by himself, I couldn't stand him anymore!

Jules: I know, he gets so annoying when he's milk drunk, smh.

No one:
Renaud: As-tu vu, Amir ont leur propre marque de pita!
by str8alpha May 31, 2019
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