To separate; break up into segments.
I had a big pile of mail and documents to sep.
"Somebody Else's Problem", an effectively-magical field that obscures things you think aren't relevant to you, such that even though you see them (or hear them or read them) you don't actually *notice*, and quickly forget.
More generally, the phenomenon that causes people to ignore issues that they know about but think of as either not something they can do anything about, or not personally relevant to them right now. This can result in something that's very important to a group of people being ignored by every individual member of that group.
Popularized by Douglas Adams in the "Hitchhikers Guide to the Galaxy" series, in which Ford Prefect describes it as:
"An SEP is something we can't see, or don't see, or our brain doesn't let us see, because we think that it's somebody else's problem.... The brain just edits it out, it's like a blind spot. If you look at it directly you won't see it unless you know precisely what it is. Your only hope is to catch it by surprise out of the corner of your eye."
In that series, a strange object can be effectively hidden from view while out in plain sight, by an "SEP field", which "relies on people's natural predisposition not to see anything they don't want to, weren't expecting, or can't explain."
It's just been sitting there all day, hundreds of people have walked by, and nobody said anything or even turned to look! It's like it's got an SEP field around it.
The nickname for a person named "Septimus"
Jenna: Sep, wanna go to the tower?
Septimus: i wish i could but i got an exam i have to study for.
Literally, "Some Else's Problem," as coined by Douglas Adams in Life, the Universe and Everything, the third book of the The Hitchhiker's Guide to the Galaxy series.
Your website is offline? Sorry, that's an SEP.
Retarded way of saying sup
White person to black person: Sep my nigga?
Black Person: *Death eyes*
White Person:*Bolts for his life*
1. Super Erect Penor
A word used around gal pals or girlfriends to signal to your bros that you are indeed in trouble if you stand up to do anything, so they help out.
2. Super Exclamation Point
Used to add even more impact than a regular exclamation point
1. You: "Bro, I'm sepping! :("
Her: "What? :/ Can you get me a drink?"
Bro: "Hey, why don't I instead?"
2. "I'm going to leave this fnuping place forever!" *leaves*
"Did he just use a sep?"
1) a member of sigma phi epsilon fraternity
2) a tool
3) a person who talks shit but always backs down from the fight
4) a person who screeches their tires in order to impress
5) a person who is most likely a virgin and will remain one for the duration of life
Look at that sep lifting weights and trying to impress those girls. I bet that sep has a 2 inch dick.
plural: Look at those seps being gay with each other on a slip-and-slide.