n. the specific elitism in which the party exhibiting such arrogance attempts to insult a social networking friend (like on Facebook or twitter) by posting an insult on the given friend's page followed by the proclaimation, "I am now going to defriend you!" or "I shall now unfollow you!" Important: the party exhibiting delitism values his own opinion above all else and intern sees his rejection as the ultimate way to insult another. Alas, as this is bizarre and irrational, the Deletist often becomes the butt of many a joke.
Normal individual's status update or tweet: "Jesus Christ! That brick I dropped on my foot really hurt!"
Person guilty of Deletism: "Jesus? You're a Christian? That means you're stupid so I shall hearby de-friend you. I'm telling you instead of just doing it because I assume you actually care about what I think and I get off on insulting people."

Alternatively:
Normal individual's status update or tweet: "Jesus Christ! That brick I dropped on my foot really hurt!"
Person guilty of Deletism: "How DARE you use the name of Christ our Lord in vain! Clearly, you're headed for eternal damnation, so I shall hearby de-friend you. I'm telling you instead of just doing it because I assume you actually care about what I think and I get off on insulting people."
by HalinaLD7 March 25, 2010
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verb- to throw away something unnecessarily
1. MOM!! Why did you delete the leftovers?!? I was gonna eat them!
2. Awww man! I wish i hadn't deleted that perfectly good couch.
by Bambie3223 October 28, 2010
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To be killed, most notably by gunshot.
Man if you keep talkin' Imma have to delete you!
by aceOFspade May 19, 2011
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(slang) To remove someone from your friends on any social networking website (e.g. Facebook, MySpace).
I deleted that bitch on Facebook after she told me I was a messed up faggot.
by nick weiner August 31, 2008
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Used by Tumblr users whenever they see something funny but absolutely disturbing. Usually accompanied with '@staff' to make sure the post gets highlighted to the people who work at Tumblr.
@staff delete this
by Helena Beauregard March 9, 2016
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1. A more powerful way of saying "delete"

2. A verb used by Uncle Dane that defines the word in the context that it's used. By "delet"ing someone out of existence.

3. A card in Magic: The Gathering that has the ability to (At the cost of any 6 mana,) reflect a spell, cancel a spell, remove a down buff, remove a creature, remove an enchantment, and (If used while enemy has <7 hp,) kill the opponent.

4. A card in Yu-Gi-Oh that sends all cards in your opponent's hand and on their board to the shadow realm.

5. Something you write on someone to expel them from the mortal realm.

6. The short circuit from team fortress 2
1. @: Yeah I had to get rid of the files, so I-
$: You gave it the fucking delet!?
@:yeah... It's gone forever, I'm sorry.

2. @: I beat his ass so hard I fucking sent his ass to the recycling bin.
#: Dude, he fucking vaporized in there, what the fuck!?
@: had to delet him, he was gonna delet me, man.

3. &: Oh you're not gonna like this.
@: DID YOU JUST FUCKING DELET ME, DELET ALL OF MY FUCKING CARDS, AND SET THE HP COUNTER ON FIRE?
&: WHAT'D I FUCKING SAY!?
@: I'M GONNA DELET YOUR ASSHOLE, DICK HOLE!

4. °: Did you really just do that?
#: you almost had exodia. I had to.
°: I HAD A FUCKING EXODIA COUNTER DECK YOU LARD ASS!

5. &: Hey look at this *skribble*
@: is that my pen?
&: *Dots* Doesn't matter now. Get fucked.
@ fades to very thin ashes.

6. !: look at this drop!
¥: Cool, wanna do a meta?
!: Sure. Delet this?
¥: Delet this.
by Some douché December 3, 2018
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When it comes to engines, the term "deleting" refers to the removal of one or more of the emissions control devices that the engine came with. When an emissions device is "deleted", the device and any other relevant components in question are physically removed and the engine is then re-tuned to run without said device.

"Deleting" is different from "defeating" in the sense that "deleting" refers to physically removing emissions devices, but "defeating" involves disabling emissions devices while leaving all of them in place on the engine. For example, an EGR (exhaust gas recirculation) cooler can be defeated by welding it shut in some spot or blocking it off from one or both ends by inserting a metal plate between the cooler and the exhaust or intake manifold. DPF's (Diesel Particulate Filters) can be defeated by being drilled out or by installing bypass pipes.

On Diesel engines, people who do deletes will typically remove EGR (Exhaust Gas Recirculation) systems and DPF's (Diesel Particulate Filters), as these two systems are infamous for drastically increasing a Diesel engine's fuel consumption.
Here in Michigan we no longer have any kind of emissions testing, which means that today you can find quite a few deleted Diesel trucks, and even some cars and SUV's, running around in the state.
by The_Anonymouse June 22, 2021
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