An acronym for Supersexual Exclusionary Regressive Fundamentalist, a person who wishes to deny supersexuals their rights or invalidates their sexuality.
Karen tried to tell me that I'm a nazi for being superlesbian, but everyone knows she is a massive SERF.
by The_Incredible_Mr_K March 10, 2021
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South East Recreational Facility. The campus athletics and exercise facility that caters to the student population in the southeast area of campus, at the University of Wisconsin-Madison. As opposed to the Lakeshore or the Camp Randall neighborhood.
Well, I was workin my glutes a the SERF, then played some basketball. And yes there are some cutie-pies there. And they are quite fond of my glutes.
by Fritz Spielbergo September 11, 2006
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Pretending to work. Covertly engaging in fun activities instead of work, but still appearing as a motivated employee.

Three reasons for the origin of this word:
1) A serf was a form of slave required to work a master's land. Lower-level employees in a modern business can also feel like slaves.
2) Surfing the internet is a common activity undertaken instead of working
3) Surfer culture is traditionally laid back and does not value working
Friend: Were you busy at work today?
Office Worker: Nah, I was serfing all day.
by The Serfer December 5, 2013
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1. Peasant. Slaves that worked on the land in the feudal system. Disapeared with the feudal system in western Europe, but emancipated much later in Russia by Tsar Alexander II.

2. Insult.
1. "Fly my serfs, FLY! Muhahaha!"

2.
Bill: "God damn it Leroy, you're such a serf!"
Leroy: "Your mum's a serf"
Bill: "Your parents are serfs, and I'm going to emancipate them!"
Leroy: "Ah, toupe!"
Bill: "Check and mate"
by Alistair_123 October 2, 2005
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A SERF is a Super Exclusionary Radial Fanatic.
This term is used to describe anyone who does not accept Super Straight, Super Gay, or Super Lesbian people.
SERF: "Oh you're super straight? Fucking transphobe."
Normal People: "Why can't you let us live and love who we want? We aren't bothering you in any way SERF"
by FuckDowdell March 7, 2021
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If you're network is down, call your Serf.
by Tonkatoy163 August 29, 2007
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1. The person you pwned

2. The people that come with the land in the fuedal system.
1. I AM T3H CZ4R AND YOU ARE T3h SERF!!!

2. Pyoter: I own this land.
Fedya: Then you must own the people Pyoter.
Pyoter: Quit true, they are my serfs.
by Farenheights July 22, 2005
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