sevenaboo 

If someone is a sevenaboo, they like Windows 7. They like Windows 7 so much that they will never update their Windows version, even if its been 10+ years.

"What's your favorite Windows version?"
"Windows 7, because every other Windows OS sucks and will never beat 7."
"Oh, a sevenaboo."

sevenaboo by Windwos June 4, 2021

SEVENBOK 

Finishing Seventh in a poker tournament.

Named after poker professional Joe Sebok who has finished seventh in several WPT events (7th is just outside of the final six or what is called the TV final table)

can also be modified to-
sevenboking, sevenboked, sevenboker, seventhbok.

Man I had a huge chip lead but wound up sevenboking that tournament last night

SEVENBOK by Don in Nor Cal January 31, 2008

steveaboo 

One who has Steve from Minecraft as their husbando.

Andrew is a steveaboo.

steveaboo by WiiU2 October 19, 2019

steveaboo 

A weeaboo, but with Steven Universe.

Ben is a steveaboo

steveaboo by ben is a steveaboo March 13, 2017

stevensbooteh 

stevensbooteh is an instagram fan acc about Guns N' Roses.She is well known for being hated and blocked by half of the GNR fandom along with knockin_on_slash.She always uses the words Daddy,I'm screaming,I'm crying,lmfao,Y'all etc.

Stevensbooteh doesn't like Grace's band I'll block her.
Yeah me too,I hate her!

stevensbooteh by doesntmatterwhotfiamboi November 21, 2016

Sevenaphobic

A person who is afraid of using, wearing or anything within relation to the number seven (7).

Gaz Drinkwater: "Sevenaphobic ain't he, Tony V. Scared of the no.7!"

Sevenaphobic by Nikolai1703 May 13, 2019