k

And "you're mean" begins with "y," as in "Y R U SO MEANNNNN OMG"

I bet you responded all nonchalantly with a single "k," too.

What is it with the kids and Potassium these days?

Back in the day, you had to make sure your message was worth it. With the age of instantaneous communication, we've definitely devalued single messages.

I DID NOT WAKE UP TO BE REMINDED OF POTASSIUM.