The phrase "circle jerk" refers to a situation where a group of people engage in pointless or self-indulgent behavior, usually an activity that only benefits themselves without any real or meaningful impact. Full definition
No one outside of your 4 man circle jerk buys your data. (climate-skeptic.com)
Media / pundits have spent the last 2 or 3 years circle jerking over City telling everyone who cared to listen that they have 2 WC players in every spot. (justarsenal.com)
Will it make you all happy if everyone chips in and gets angry — we can create one big virtual circle jerk on here, slap each other on the backs like good blokes and all slag off our club in unison. (justarsenal.com)