Used to reply to a text, when you don't know how to reply. Can be used to reply to anything.
Best friend: "Hey, I have a crush on you, will you go out with me?"
You: "E"
When you have the random urge to E your friends mom or dad.
Last night your mom was so fine I had to E her with your dad.
literally the letter E.
E is a vowel, meaning that it is a extremely common letter.
The letter is also commonly associated as a meme on its own.
the letter E is also known for scaring people shitless around 2007 - 2011 in minecraft thanks to herobrine
E.