Big Boi Boomer 

A Big Boi Boomer is a noun. A Big Boi Boomer is a Boomer that wants you to grow up already and leave their basment because your already 25-100.

56 year old man: Mom! Can you bring me my Mountain Dew and Doritos please.
Big Boi Boomer: Grow up mike, get a girlfriend or something. JUST STOP LIVING IN MY BASEMENT!

Big Boi Boomer by TheRealNeoMC January 29, 2020

Social Media conscious boomer 

A person, usually old, that is well versed in current memes, common slangs and and internet culture.

James: Yeah my dad knows what an eggplant emoji (🍆) is used for haha. Jack: Dude, he's a social media conscious boomer!

Social Media conscious boomer by Vicbuscus July 25, 2020

Pi Is All Booked 

When teachers and students who want to borrow books on the number π from public or school libraries are told that they had all been lent out, probably because the borrowers needed them for their project or presentation on Pi Day.

When the prime minister asked his secretary to help borrow some math titles on pi for his wife, he’s told that “pi is all booked”—all titles are due after March 14.

Pi Is All Booked by Fasters May 29, 2022

Lesbian boomerang

Being a lesbian, quitting it for a while and coming back to it. Like Rob of The Automatic.

"haha rob started as a lesbian, went away from it then came back to it" - bansheee
"like a lesbian boomerang" - squiddly.

Rob of The Automatic would be the original and quintessential "lesbian boomerang".

Lesbian boomerang by Squiddly December 10, 2008

Boomer 

US Navy slang for a ballistic-missile submarine.

http://en.wikipedia.org/wiki/Ballistic_missile_submarine

The US Navy boomers are the Ohio-class.

Boomer by Axeman73 April 10, 2009

booked out 

Overwhelmed and exhausted by social media to the point of no participation. This includes providing no updates, comments, likes or tweets.

Person 1: Hey, what did you think about Rick's Facebook update? It was classic!

Person 2: I didn't see it.

Person 1: What do you mean?

Person 2: I haven't been on Facebook or Twitter in weeks, I'm totally booked out.

booked out by Riconator September 7, 2010

Boomeranging 

Repeating the words of another participant during a texting session.

John: Hi!
Susan: Hi!

John: I hear an echo...
Susan: I hear an echo...

John: As long as you recognize it's like a boomerang
Susan: I'm boomeranging

Boomeranging by squashedblueberry June 4, 2013