yf= you fail.

Sometimes, we feel the need to just be direct when going about telling someone that they fail. They screwed up, didn't do what they were supposed to do, and probably just made matters worse for themselves and likely people around them. Or maybe it was some ridiculously easy task that anyone could have done, and well, this person just failed to do so.

A portmanteau of carpe diem, a Latin phrase that means “Seize the Day!” and DM, which stands for Direct Messages. This word means seizing the day via DMs.

yf often means “you feel?” in texting

it’s a way of asking if someone understands or relates

Your fault.

young friend; most often used by pederasts (occasionally pedophiles as well) as a means of describing their love interest.

Yellow fever.

An abbreviation of You free?

Used in texting to see if someone is available.