Baasem 

Baasem is a guy who is though he is the most-brilliant supervillain the world has known, Megamind.
Megamind's Species are a fictional sapient race of aliens which first appear in DreamWorks' animated film Megamind. They are now mostly extinct and the last, most famous member of them is Baasem himself.

"ohhhhhhh shiiiiiii it's a baasem!"
"Nah g it's an ogre."

Baasem by Yourmastershawntony June 26, 2019

Lauren's basement

Jeremy Shada is trapped here.
Probably Steven Yeun too.

Help them.
You most likely won't understand this unless you're Voltron trash

"Did Jeremy finally get out of Lauren's basement?"
"I think she only let him out for that interview, but he still revealed klance to be canon for the 58618283234th time"

Lauren's basement by Deathlysilence January 20, 2018

Lag city in the basement 

When your lagging your ass off so bad in a game of chel that it’s unplayable.

Kevin “Dude this game is so fucking choppy!”
Stevie “Man it’s lag city in the basement.”
Kevin “facts dude we would have like 4 more goals if we weren’t in the basement.”

Lag city in the basement by Stevieboy1129 May 5, 2020

basement rat 

A person the lives in the basement and spends all their money on GGE.

J-S is a basement rat.

basement rat by Your worst enemy ^.^ October 13, 2020

unfurnished basement 

Not wearing underpants.

"There's nothing like an unfurnished basement!" exclaimed Douglas, while wearing a kilt.

unfurnished basement by nudgeee June 18, 2008

Eric Forman’s Basement

The greatest and most chill place on earth also the best place to get baked.

Hey let’s hang in Eric Forman’s basement and get high

Eric Forman’s Basement by YoungDagger8===D February 4, 2019

Basement

The place I keep my children

Gotta go check on the kids in my basement

Basement by Me Is Much Gud Doge June 22, 2020