Youngjae is the lead vocalist in the Korean Boyband, B.A.P. discovered to be a fucking asshat in their latest music video, One Shot.
MY NIGGA YONGGUK ROBS AN ARMORED CAR TO SAVE YOUNGJAE AND THIS NIG SET HIM UP WITH THE POLICE
BETRAYED, MOTHERFUCKER.

If you were to look up the word 'betrayer' in the dictionary, you'd find Youngjae's face.
by god fucking damn it youngjae February 12, 2013
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some one in halo or a first person shooter who betrays you for no apparent reason and ruins your time playing halo for example. After they betray you they often tea-bag you. if you experience one ban him as soon as possible.

known betrayers include:

Mars
zac1212121
and various others
*16 time the same person betrays you on halo C.E.*
you: wtf stop it I haven't done any thing to you
betrayer: Your a noob!!!!!
you: well how am I a noob all I did was enter this server and spawn
by supye March 16, 2010
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1. putting loyalty in someone, and them turning theirs on you.
2. friends stabbing you in the back.
3. the most hurtful thing anyone can do.
person 1: hey i like you
person 2: like you too.
person 1: see you later
person 3: who was that
person 2: some psycho weirdo

person1: now i feel betrayal
by crypticss December 29, 2010
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When you make a dealwith one of your best friends, like let your hair grow so you cut both have together a mulet for 1 day, and he (or his girlfriend making him look like a Simp) cuts his hair.
Thibaut: "You have cut your hair!? And the Mulet Haircut festival is in three months!"
Olivier: "Juliette wanted."
Thibaut: "What a BETRAYAL!"

*sob in mulet*
by Thibo314 February 27, 2020
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1. to turn on someone you trust, or to have someone do the same to you.
2. team-killing, i.e. in a FPS. More specifically, this is the term used when one team-kills in Halo/Halo 2.
1. i had the worst betrayal the other day, when my best friend whom i thought i trusted stole my girlfriend.

2. Halo announcer: "Lost the lead! BETRAYAL!"
by Tengu October 5, 2006
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When your best friend deserts you for mean reasons and acts like a meany head.
Kristian Farnsworth left her bestest friend alone in the cold in a mean act of betrayal.
by wordsfromtheheart December 23, 2013
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