frenemesis 

A person with whom you have a long-standing or close relationship, but who is the ultimate frenemy. An arch-rival who pretends to be your good friend, while undermining you behind your back.

She's not just a frenemy, she's my frenemesis.

frenemesis by nodramamama November 11, 2010

Frenemies with benefits 

People who actively dislike each other, but engage in sexual relations with each other on a regular basis.

Just because we don't like each other is no excuse to not have great sex. We can be frenemies with benefits.

I kind of hate him, but he's really good in bed. We're frenemies with benefits.

Frenemies with benefits by Baby Kee$h April 14, 2014

frenimies 

A "friend" who really doesn't like you, nor you like she, yet you are drawn togther by some sick dramatic bond.

Hey, there are cards tonight at the frenimies' house. Let's go get dissed.

frenimies by coctailblonde December 24, 2007

friendlies

Military slang short for friendly troops.

"We can't use an air-strike because there are too many friendlies in the area!"

friendlies by briles24 May 3, 2006

frenemies 

friends, yet enemies.

Ashley and i are frenemies, sometimes i just can't stand her.

frenemies by noelle May 1, 2003

Frenimies 

Two people that used to be very close. Then turned into enemies. That is why people call them Frenimies.

We used to be friends but now we are Frenimies.

Frenimies by Frenimies November 29, 2015

Frienmistry 

n. The friendly (positive) relationship chemistry between 2 or more people.

Ricky and Megan have only just met, but they displayed great frienmistry and really hit it off!

Frienmistry by LazySour March 19, 2006