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A portmanteau of "Them" (non-binary pronoun) and "Daddy" (slang for a protective, confident, mature, or sexually dominant figure). A Thaddy is a non-binary person who embraces a hyper-masculine, hairy, or muscular aesthetic while occupying a gender-neutral or non-binary identity.

As a state of mind, being a Thaddy means owning your "them daddy" energy, taking charge, providing care/protection (if that is your vibe), and presenting with unapologetic, rugged confidence, regardless of your assigned sex at birth.
"I’m totally rocking the hairy-chest-and-crop-top look today—I'm definitely giving off Thaddy vibes."
Thaddy by Broffie January 26, 2026
Related Words

Pulling a Thaddy 

The act of not being able to get an erection while with a hot girl.
Gavin: So did they have sex?
Tariq: Nah man. Someone said he was pulling a Thaddy, again.

Girl 1: Was he good in bed?
Girl 2: I wouldn't know, he pulled a Thaddy.

Kevin: I heard he was pissed after she left because he pulled another Thaddy.
Luke: Sucks to be him
Pulling a Thaddy by vseline May 24, 2011

taddy cat 

An annoying person who causes a random disruption to your personal being. Someone who messes things up or makes something go wrong. Or also used if you cant think of another word to call somebody.if someones a taddy cat, their pretty much janky. :]
my friend pierce called tate a taddy cat when he jumped off the golfcart JUST to pick a wild apple.

mason;ty, you freakin taddy cat, you made the dog pee on me!"

pierce; quit being such a taddy cat and go get me a water!

jessica; quit it tristin your bein a taddy cat!

meggan; david quit mooning your freaking butt at me your being a freaking taddy cat!

taylor; slams his locker and yells taddy cat, but ponders in confusion of what it really means...

thaddeaus 

Thaddeaus is a total bro. He is intellectual, good-looking, a bit awkward at first but a crazy good guy. Has a MASSIVE SCHNOBLONGER. Pretty chill bro. ADVENTURE TIME.
"Dude, that guy is kinda weird?"
"Yeah, but once you get to know him he is like, the chillest bro EVAR."
"Dude, he's a total Thaddeaus..."
thaddeaus by Prince Monochromicorn December 5, 2013
The most amazing person you will ever have the luck in meeting. A THADDAEUS IS A RAINBOW UNICORN OF AWESOMENESS.
Thaddaeus is so goddamn gorgeous that everyone in a 20 mile zone will be pining after them. They particularly have the most amazing eyes known to human kind, as well as the best bums ever. They are irresistible and sexy and will make you want to just kiss them all over whenever you're near to a Thaddaeus.
Being near a Thaddaeus will make you feel like the best human being ever. A Thaddaeus has the power to lighten up your whole world just by being there for you.

If a Thaddaeus has a girlfriend, she will be the luckiest girlfriend on the face of the Earth and she will know it- he will be her Saviour and Hero and make her feel happy when sometimes she finds it hard to be.
More importantly, a Thaddaeus is a person who can and will change the world if they believe in themselves. They don't understand the amazing effect they have on everyone who knows them, and yet still goes about being the most amazing person ever.
Thaddaeus is an awesome person
Thaddaeus by Hi I am nice February 4, 2020

Thaddeus 

A strong, confident, sexy, athletic man. Can learn to do anything, usually takes a leader role, and is very independent. Although he is tough outside, still quite a softy inside, funny and quite a charmer. He knows how to take care of his girl and makes her very happy. All the girls want him but he stays faithful to his girl. Has an amazing butt....and gorgeous hair.
-who is that sexy man?
- Thaddeus
-dangggg. even his name is sexy.
Thaddeus by ninjaSteph March 8, 2011