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An unwanted friend who feeds off of the company of a care giver. The fetus is usually the outcast of a group of friends. In most cases, one friend feels bad for the fetus, and gives him company and false friendship. This term is called feeding. In turn, the fetus will will contribute nothing back to the care giver(only because the "fetus" is a loser and cannot possibly contribute anything). The care giver will often get fed up with the fetus when he becomes too attached. Many care givers turn to the method of negative feeding. This happens when the care giver decides to use the fetus as a tool to rid of the fetus. Often involves using the fetus for rides, money, food, beer, or even using the fetus as the butt of all jokes for humor. This often turns into an abortion. This is when the fetus becomes so weak and hurt he either cuts the tie or is pushed out by the care giver. The care giver is often referred to as the UC or umbilca cord. This is a seprate matter.
The plural usage for fetus is the term "feti".
"Hey Dan, you really need to get rid of that fetus! He is really weighing you down man!"
"Dude, why are you so nice to that faggot asian kid? Your just using him as a fetus, because you feel bad for him. Just cut the damn cord, and get rid of that kid!"
by DukeNukeEm December 09, 2008
Main entree in a delicious buffet.
That fetus was delicious, Joe.
by Mark Snicher April 06, 2005
Justin Bieber.
Justin Bieber is a fetus.
by fuckyeahnickjonas May 16, 2010
1. a young child/person; but can also be used to refer to anyone younger than yourself
2. someone who acts or looks like a small child
3. someone who is too afraid to do something
4. small
1. "Oh my god, look at those fetuses. They think they're hot shit, but they have a lot to learn."
2. "What does Justin Bieber know about love? He's just a fetus."
3. "Stop being a fetus and dissect the frog."
4. "Look at that cute fetus dog!"
by Rachel_Fro February 01, 2010
A grotesque looking stage of life for any mammalian creature.
Damn did you see Voldemort in Harry Potter and the Goblet of Fire he looked like a fucked up fetus
by fufu berry July 14, 2008
Ryan Lane
Hey! look over there! it's Fetus!
by BiioHazarrd May 28, 2011
A parasite. I'm not even insulting anything here, a fetus is naturally a parasite.
Guy 1: So I heard you and Martha are having a baby?
Guy 2: Yup! She just went in for an ultrasound exam, there's definitely a parasite in her!
Guy 1: You mean a fetus?
Guy 2: It's the same exact thing.
by enigmaticepitaph August 23, 2012
v. believed to be of Latin origin.

the act of curling up on a couch or bed for hours at a time, occasionally stirring to consume food, drink, or smoke. oftentimes occurs after a particularly stressful engagement or a night of hard partying. although sometimes co-ed, the group is genderless. no judgement is allowed at any time in the room.
"I just bombed that exam. I cannot wait to fetus all day."

"What womb is everybody fetusing in this afternoon?"
by uchicagofetuser22 May 21, 2010