friendenemies 

When people really do not like each other but will be cordially sarcastic to one another so as not to cause any drama and draw attention to themselves at social affairs.

Sandra is having a birthday party she's friends with Jane and Sally . Sandra decides to invite Jane and Sally she knows they are friendenemies ; she leaves it up to them to accept or decline. They both show up and are cordial / sarcastic keeping the peace for the sake of their mutual friend's party.

friendenemies by Pepper1121 February 10, 2018

friendencies 

Someone's facebook-friending behavioral profile. "friendencies" include serial friending, indiscriminate friending, friending for bets, turtling, or only friending people they know irl.

Title of article:
Friendencies of the American Male

Abstract:

This paper examines the frendencies of the american male. Factions tend to friend at random, some for bragging rights, and still others conservatively.

friendencies by robotnik_9001 April 2, 2011