feeder 

A player who be killed too many times for nothing by enemy in a MOBA game like Dota2 or Lol.

Hey, uninstall Dota 2, u feeder!!

feeder by Terminatoy August 7, 2016

feeder 

Feeder (Adj.): A Player in a video game who constantly dies to the opposing team giving them boosts in items such as gold, exp, abilities etc. Giving them the name, Feeder.

(Used as an insult, example: You suck, you're such a feeder!")

Or
Player: "Dude stop feeding the other team! Now they're 2k gold ahead!"

feeder by TydeTwists June 10, 2016

Feeder 

Someone who basically lets another team kill them just to anger their own team/just isn’t good and isn’t meaning to do it.

“Wow we had a feeder on our team. Caused us the match.”

Feeder by jshexposed January 4, 2018

Feeder 

Kai

Kai ist ein Feeder der hs

Feeder by kai ist ein feeder October 3, 2021

Feeder 

Feeder is a guy that gives kills to the enemy team.
Theofilos is a feeder for example.
Do NOT be Theofilos

Theofilos:I’m a feeder

Feeder by Leiva November 20, 2021

Feeder Cock

The penis used to spread/deepen the vagina to support another larger/wider penis and ensure the female can properly take and enjoy the penis she desires.q

Kellie says "Diamond, your dick is way too big I think you need to call Jerry to come over as a feeder cock to open me up so I can enjoy you"

Feeder Cock by FeederCockCreator March 12, 2015

Feeder Kill 

An opponent in any sport/game who is so unskilled or pathetic as to only feed the opponent kills / points.

During a Blops session :

Nukkin : So which button makes me jump again? Oh killer I can use a FN FAL!!

Me : I don't think it matters what gun you use mang, you're still gonna be a feeder kill at best.

Feeder Kill by TwuntX July 13, 2011