Presumptive Republican nominee for president Donald Trump tweeted his reaction to President Obama's endorsement of Hillary Clinton on Thursday.

Presumptive Democratic nominee for president Hillary Clinton then clapped back at Trump because ELECTIONS IN 2016.

It quickly became the most retweeted tweet of Clinton's campaign.
And @HillaryClintonâs rebuttal to @realDonaldTrump is now her most Retweeted Tweet ever https://t.co/Egk13eIvYT
And obviously everyone lost their minds.
HRC social media manager: We just tweeted 'delete your account.' Hillary: mom Hillary: yas Hillary: drag him
BREAKING: Tweet makes news!!!
Hillary Clinton tweets 'Delete your account' to Donald Trump https://t.co/085iIof3PT
Delete YOUR account https://t.co/h6jyJx8Cz0
NYT: On Twitter, an Account Deleted WSJ: Twitter Shares Plummet as Account Deleted Vox: How to delete your account Vice: LOL REKT
DELETE YOUR ACCOUNT: The shot tweeted round the world, sparking the Twitter war of 2016 https://t.co/XJrBHERMPr
What does "Delete your account." mean anyway? #CNBCExplains
There was a GIF party on Twitter.
.@HillaryClinton @realDonaldTrump
.@HillaryClinton
@atrupar @HillaryClinton it's on
ðð @HillaryClinton @realDonaldTrump
There were some email and Benghazi references thrown in.
Delete your e-mails.
you know who else Hillary said "delete your account" to. the benghazi consulate.
There were clapbacks to Clinton's clapback.
.@HillaryClinton If anyone knows how to use a delete key, it's you.
And more clapbacks to those clapbacks.
Literally everyone knows how to use a delete key https://t.co/fmU9PD3scF
Of course, Trump had to respond to Clinton, referencing the investigation into her emails.
How long did it take your staff of 823 people to think that up--and where are your 33,000 emails that you deleted? https://t.co/gECLNtQizQ
But the fact that he didn't respond for about two hours didn't go unnoticed.
2 hours later, the Donald responds
The timestamps are right there! 5 minutes
Bro, it took you more than 2 hours to think up this response. https://t.co/9yVq544J5O
This is basically what our Founding Fathers fought for.
hillary apologized
Future debate: Hillary: Can you contact me on Updog? Trump: What is Updog? Hillary: Not much, what's up with you?
"I don't get it. Delete what account." "Mrs. Clinton, this is how youths say 'Take a long walk off a short pier." "Fine, tweet the thing."
"Delete Your Account" was like 5 twitter insult memes ago.
I'm with "Delete Your Account"
151 days to the election.
@HillaryClinton @realDonaldTrump one thing is for sure. this is the weirdest fucking election cycle of all time
(Thumbnail image via New York Daily News)