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1.
The level of drunkeness where you think you are the life of the party when you are really the biggest loser around.
Courtney Love or Tara Ried get loser drunk at any social occasions!
by pahonics September 05, 2005
 
2.
the level of drunkenness where your walking around the streets in nothing but your undies crying about your pathetic life
dude, mark got so loser drunk yesterday

really? wow hes so pathetic
by asgar November 10, 2009
 
3.
When you're absolutely shitfaced drunk to the point where you're wandering around the party/bar by yourself looking for your friends which are nowhere in sight.
Did you see Jimbo at the bar last night!? He was so loser drunk he had no idea where he was!
by TbayGuy1 December 21, 2010