i fear

Meaning you fear the sentence you provided , good (or bad), you fear it. It either has happened or will happen.

When surrounded by geeks, you might text or bbm a friend to say you're surrounded by geeks or if you're really daring say it out loud.

Quite ironically it is a play on "I fear the Greeks, even those bearing gifts" from Virgil's Aeneid and one would generally have to be quite clever (or geekish) to know that. A phrase common among public school chaps in England.

something that the Heavy from Tf2 says during an interrogation in an unspecified location.
Now a very popular meme template.

A common phrase originated from Twitter, by the locals (general public) after seeing the intentional and often times unintentional and displays of power of the also called BTS Army. The phrase, got popular after an interaction between @jovanmhill and @jamescharles, where the later threatened the former with a lawsuit and got "I only fear BTS stans and no one else " as a reply.

Note: One should only fear BTS ARMY, (BTS stans) if one is disrespectful to the fandom or the band, they tend to be peaceful but you will feel their wrate by millions if you make that mistake.

I was in fear for my safety is a term commonly used as a blanket defense by a police or law enforcement officer to justify use of force against a civilian or other person. Historically, this defense carries a low burden of proof from the officer or department.

If someone is intimidated by you, this. Smell a person and say this. If they weren't scared of you before, they will be scared now. Courtesy Louise Belcher.

I was in fear of my safety is a term commonly used as a blanket defense by a police or law enforcement officer to justify use of force against a civilian or other person. Historically, this defense carries a very low burden of proof from the officer or department. ©2021/Rdee