basementize 

(verb) to put something or somebody in your basement

1. This kid is so annoying, let’s basementize him.

2. Did you hear the news? A creep from our town basementized 42069 kids and made them his sex slaves.

basementize by BD Jeffrey January 14, 2022

basementing 

The act of sitting in a basement and doing nothing. Most commonly this is found in a group of friends who are boring and have nothing else to do, or are too lazy to get off their asses and make something of their lives. Basementing is the opposite of adventure.

Yo, you want to go over to Chris'?
nah bro they're just basementing again.
lets go climb a mountain and go basejumping.
YEA!

basementing by the real patyfatycake February 20, 2011

Basementdweller Syndrome

When a person in Isab's (a famous YouTuber known for Bloons games) discord server (called Isab's Basement) acts like a retard, most oftentimes new members.

Basement Dweller: I think that Crossbow Master is a much better tower than The Tack Zone.
Me (not a basement dweller): Vrej, TZ has much better DPS than XBM. You obviously have Basementdweller Syndrome.

Basementdweller Syndrome by Elite_Ninja6 May 22, 2022

basementlessness 

A house or dwelling that has no basement..

i bought my house on account of its basementlessness, it is cheaper to insure and there is less to flood

basementlessness by Renee622 November 22, 2010