A person or group you hang out with simply to take photos with. These people are not your real friends and annoy you but it's worth the reputation.
"That bitch annoys me so much but she is all over my Instagram."

"That's because she's your publicity friend."
by iknowords.com May 5, 2017
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A person who acts like your friend in public and social situations, but basically uses you and treats you like crap.
Jon: Dude, Devan Downey is so good at basketball!
Michael: Yeah, but Andy Roddick is THE MAN at tennis.
Dustin: Jack is good at everything!!!
Jack: uhh..thanks..?
Later...
Dustin: Hey Jack, can I see your answers, I was really busy last night and I had practice and all.
Jack: Um yeah sure.
Dustin: Thanks man, you're the best.
Afterwards...
*Jack stands in a circle of conversation*
*Dustin walks right in front of him and pushes him out of the circle*
Despues...
Jack: Hey Dustin, I woke up late this morning and didn't have time for breakfast. Can I please have some of those cheez its?
Dustin: no
Jack: Jeez, what a public friend..
by Jack Daniels Moore February 5, 2010
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