alternate spelling of one-deag, the Counter-Strike term for killing someone with a deagle bullet to the face
dude: OH LET ME JUST CROUCH HERE IN TRAINYARD
randy: *kills dude with a deagle headshot*
randy: JUAN DEAG
by unasslayerofgods February 3, 2009
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Getting a kill or getting killed by headshot from the Desert Eagle .50AE pistol, which has its place in the Counter-Strike series (popularized by Counter-Strike: Global Offensive), as it inflicts enough damage in one bullet on a headshot to kill you or another person (249 damage points without armor, 232 damage points with armor, and a character has 100 health, so it deals more than enough damage). This feat take a great amount of skill, and can feel very rewarding when you pull it off.
I just one-deaged that guy from across the map!
Well, he's probably pissed...
by TagAndFriends November 3, 2015
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Sex Act: Powerfully ejaculating all of you semen in one shot into the partner's face
Friend #1 so how was that one night stand with Morgan
#2 Awesome I One Deaged her so hard she got a black eye
#1 Dayumn
by ThatOnKid January 7, 2015
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Indicates that someone was killed with a single shot from a Desert Eagle. Probably the most retarded saying to ever come from Counter-Strike.
zomg did u c dat 1 deag?!?!!11 LOLZ!
by memphetic January 26, 2008
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Further bastardization of the counter-strike term 1 deag. In which a player kills another player via headshot with one bullet fromt eh desert eagle.

also Juan Deago.
fkn pwnt that noob juan deago style, yo.
by JuanDeago November 14, 2008
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