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10.
A positive phrase in the civillian sector, but in the military it is used negatively. You do something stupid, then you're "that guy" that gets everyone fucked up because of your actions. This type of marine is also referred to as a shitbag, buddy fucker, garbage, etc.
Drill instructor: "Don't be the one that gets caught stealing peanut butter packets from the chow hall! I WILL FUCK YOU UP!"

(1 day later) Drill Instructor: "GOOD! Recruit dumbass decided to steal peanut butter from the chow hall and eat it on firewatch! Fuck the Drill Instructor right? GET THE FUCK ON THE QUARTERDECK RIGHT NOW!"
by Kreator89 February 06, 2010
 
1.
The person you know you're going to love forever.
She knew that Joey was the one, so they screwed each other all night long.
by Anonymous June 26, 2003
 
2.
absolutely, positvely the only person on earth you are meant to be with. soul mate and best friend.
i am still looking for the one.
by Kate June 21, 2003
 
3.
that annoying asshole from the matrix
anyone: "you're the one!"

keanu: "what?"

anyone: "youre the one!"

keanu: "what? why am i here?"

anyone: "cause you're the one!"

keanu: "you havent answered my question"

anyone: "i just did you fucking dipshit!"

keanu: "what?"

anyone: "goddamit you're lucky you're the one cause theirs about ten billion people that want to punch your dumbass in the face"
by cacaboy June 20, 2003
 
4.
The person believed to be the soul-mate, ultimate lover, perfect bride/groom to whoever is using said term.
Oh, Martha, I think he just might be the one.
by Jaded June 21, 2003
 
5.
1) The person who knows the words to your heart and can sing it back to you when you have forgotton.
2) The person that you want to spend the rest of your life with.
Sh's the one for me!
by Dizy June 25, 2003
 
6.
the person you spend your whole life looking for.
I have finally found the one.
by Peter Donohoe June 27, 2003
 
7.
The girl and or boy you feel like is the one you are goin to marry
I think Melissa is the one i feel like we could be together for life
by Justin Farmer May 28, 2006