Decepticon

A fat person who only shows photos of themselves, online, in which they do not appear fat, by means of flattering camera angles, head shots, or deceptive apparel.
You meet someone on an online dating website for the 1st time in person and he/she (typically she) is much larger than you expected.

"Man, I met this hottie online, but we met up and she turned out the be a decepticon. I was duped by the fatso!"
by t0m0wnzj0084 December 07, 2008
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Decepticon

A homosexual individual (typically male), who presents or misrepresents himself as a heterosexual. This individual has the innate ability to avoid detection by a heterosexual individual's gaydar (a.k.a "stealthing it").
I always thought my roommate of five years was a real man's man. Turns out he actually was another man's man. I should have known he was a decepticon!
by Osama in yo' Mama November 14, 2009
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Decepticon

An individual who switches appearance, orientation or gender for the aim of enjoying the privileges of their new form without bearing the responsibilities of their new form.

An individual who switches their physical form whenever the situation is suitable.
When the Decepticon was caught in the girls bathroom, he quickly identified as a girl

it is a well known facts that many men in the past became Decepticons to avoid being drafted into the war.

There are many Decepticons dominating the women's Sports league
by Seven Spirits July 15, 2023
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Decepticon

A Decepticon is a trangender that looks like the gender they transitioned to.
Turns out that girl I went back to my apartment with last night was actually a decepticon.
by HOLYHECK March 16, 2018
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Decepticon

A misused or misinterpreted emoticon.
Last night was really fun!!! :| <- Decepticon
Grandma is in the hospital! :) <- Decepticon
I loved the perfume you got me for Christmas!:S <-Decepticon
by Snichols77 December 30, 2011
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Decepticon

Chronic liar. Someone who habitually lies about their lifestyle, job, sex life, or friends for attention.
"So, I was talking to Dave and he said he was the one who invented the vibrate function on phones. Then he pretended to get a call from Donald Trump and made me pay for the beer. Fucking Decepticon."
by M. Godhammur, J.R. November 20, 2007
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Decepticon

A man who dressed up as a woman, sounds like a woman, looks like a woman, smells like a woman...but in reality has a penis.
Guy 1: Hey man, how'd it go with that girl last night?
Guy 2: We were about to snu snu when I pulled her pants down and a little elephant trunk popped out
Guy 1: DUDE! A fucking Decepticon???
Guy 2: Yeah bro, I had to make like Optimus Prime and ROLL OUT ya dig?
by DatKikero March 23, 2017
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