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Treacherous is a person that you cannot trust and they are disloyal. Treacherous is a person that lies, cheats, steals and kills. treacherous person is when they betray there friends and allies. and they talk bad about a person and another person. and sometimes that thing can be said true but sometimes it's not right to say it. Treacherous people can be faithless, disrespectful and aggressive mostly. they will backbite you and attack you out of nowhere. be careful who you trust.
Treacherous guy: My mom is so faithless and disrespectful i just couldn't stand that (true but don't say it)
Dad: son don't talk to your mother like that!

Version 2: Treacherous person: here take my wwe title
Guy: aww thanks man!
Treacherous person: Attacks and steals it back

Version 3: Guy: did you do your homework?
Son/Daughter: Yes i did (lie)

Riley is so treacherous and faithless he talks bad about my family and he is untrustworthy and betrays others.
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by TheAwesomeJUNK November 03, 2018
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Jan 24 Word of the Day
1. (noun) An abbreviation for stimulus check

2. (verb; stimmied) to get fucked by your government
Me and my homies are going to use our stimmys on guillotines and oreos. Too bad we can’t afford the milk
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by ecogoth January 01, 2021
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2
likely to betray trust; unreliable; marked by hidden dangers, hazards, or perils
A word overused by nearly every television and radio news-anchor to describe conditions of every flat surface during cold-weather situations.
"Authorities called the road conditions 'treacherous' Wednesday evening and are asking residents to stay home and not drive if they can avoid it."
by PhantomV48 January 19, 2010
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3
likely to backstab and make lies
A: k1234567890y said he was often attacked by hos co-worker with subtle moves, and he said that co-worker is as sinister and bitesome as a cobra.
B: k1234567890y is treacherous and full of jealousy, don't listen to him.
by it is not your business July 26, 2019
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4
1. betraying or likely to betray faith or confidence. 2. unstable, unreliable, or dangerous. 3. guilty of or involving betrayal or deception, 4.capable of convincing other love interests or fuckbuddys that a former beau is guilty of saying and doing anything she likes that will cause them to be beaten constantly and socially outcast without any proof or remorse: treacherous weather, treacherous ground, treacherous woman, treacherous slut, treacherous cunt.... unstable unreliable,dangerous,fuckbuddys,cunt.
That treacherous slut has fucked me over by sleeping with whoever will flog the piss out of me just for kicks. fucked flog kicks.
by dazzadahoff February 16, 2018
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5
meaning something is amazing or great
yo did you hear that new Talib Kweli cd? that joint was treacherous
by gspizot February 20, 2003
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