ATF 

ATF is an acronym for Ass To FaceTime. It's when you butt dial someone on FaceTime.

"I don't remember calling. Must've ATF that shit -- Ass To FaceTime."

ATF by What's up, Z November 6, 2017

ATF 

Ahhh The Fuck? Is used to express surprise or shock to someone's statement.

Friend: Yo, I got an A on my test!
You: ATF!

ATF by Lizzithepotatoes November 27, 2019

ATF 

A collection of roleplaying games on the game platform ROBLOX.

Home of ATF refugees.

ATF by Djangodog January 14, 2023

ATF 

A - annhilate
T - the
F - fucking dogs

The ATF is a government organization known for killing dogs and making the 2nd Amendment no longer apply.

(Greg) The ATF is here! Hide your dogs!
(Rob) Oh noes!

ATF by gregorton deeznuts November 24, 2023

ATF? 

Are they fucking? - A game often played with friends in public while people watching...

(After glancing at another couple, you ask your friend) ATF?

ATF? by D,C,N,S Owens Lunch April 20, 2010

ATF:7 

A shitshow roleplay game on roblox where everyone has a fully modded M4A1 carbine and two Glock-18's at the ready in the fucking wasteland. Seriously how the fuck are you meant to dual wield glocks and find attachments for your M4A1 fucking libtards. IT'S 2055 IN MIRAGE THAT SHIT IS OUTDATED AND PROBABLY BROKEN DUMBASS.

Person 1: Time to join ATF:7 and have a good time
Person 2: I aim my M4A1. I fire into his hip I fire into his chest I fire into his gut I fire into his shoulder I fire into his leg I fire into his gut. I fire into his other shoulder.
Person 1: What the fuck
Person 2: (welcome to ATF:7 dumbass. you were walking and inch inside of my scrap settlement that i have no lore for!

ATF:7 by Generic Speedtyper August 19, 2020

ATF agent

An unconstitutional agent that shoots dogs when they please and infringes people 2nd amendment right's

What is an ATF agent?

ATF agent by Gun0192i4u2 October 2, 2021