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This has two meanings. It can mean "I don't believe you" or "I don't blame you". Just the same abbreviations.
Max: I just met a celebrity 5 minutes ago!!
Sam: Really? No, bruh... Idby (I don't believe you.)

Or

Max: I'm very worried about my girlfriend. she hasn't texted me in days.

Sam: I would be worried too. Idby (I don't blame you)
Idby by Black Dwarf Bunny January 20, 2018
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I dont believe you, often used in text or internet language among young people.
John: I'm going to America tomorrow to eat in McDonald's.
Patrick: idby!
idby by eefa January 10, 2008
Related Words
An acronym for "I don't blame you."
Person 1: "I'm thinking about dropping AP Chem."
Person 2: "That class is way too hard anyways, idby."
Idby by I'm a potato August 2, 2019
I Don't Believe You; used easily in Instant messaging conversations. But when spoken it is IDBY.
SAM: dude last weekend i got totally wasted and don't know what happened
J.R.: idbyou
SAM: whatever jerk
idbyou by DBAS March 30, 2008

Stealthie 

when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.

This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"

FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"
Stealthie by gwenhyfar October 2, 2016
Word of the Day on May 25, 2026

Summer Teeth 

When someone has a lot of missing teeth.
Mannn, that dude has summer teeth!
What do you mean?
Summer here, summer there...
Summer Teeth by BeckPot August 2, 2012
Word of the Day on May 24, 2026
The grindset is a contemporary ideology of self-exploitation disguised as strength, deeply tied to the aesthetics of the “sigma male” and to new digital forms of patriarchy. It promotes the idea that human worth depends on productivity, economic success, absolute emotional control, and the ability to work endlessly, turning vulnerability, rest, community, and tenderness into signs of weakness. Beneath its rhetoric of discipline and power often lies a profound inability to relate healthily to pain, fragility, and human interdependence.
“That’s the grindset, brother. While weak men sleep and complain, sigma males stay disciplined, work in silence, suppress emotions, and build power while everyone else wastes time chasing comfort.”
Grindset by Omega-Male May 22, 2026
Word of the Day on May 23, 2026