Threendship 

Three people in a platonic relationship who always hang out.

We spend so much time together that everyone thinks we’re dating but it’s really just a threendship.

Threendship by Keasterbunny June 27, 2023

Trendship 

A friendship based on one party's momentary popularity.

Paris Hilton and Nicole Richie had a trendship.

Trendship by Curtis Meyer October 26, 2009

Trendship happens 

Friends feeding off of other friends trends.

It’s ok Betsy.. you’re cool with us all.. Trendship happens... you’re not better than us, and we like you also.. We all just want to fit in.

Trendship happens by Petesbeeps October 12, 2017