Hannah Boo

A mistake, accidentally created when someone tries to say Mari Boo and messes up.

Connor- "Nobody touches my Hannah Boo!"
Hannah - *WHEEEZE* "Hannah boo"

by Mang0w0 Alt June 14, 2020

William Boo

The Biggest Simp

Omg, that guys such a William Boo

by JJs Juicy Forehead August 19, 2020

boo-ish

When you’re talking to ya hommie on the phone and and they ask you “what are you doing tonight” and the person you have been spending a lot of time with and really like but you don’t want to get a head of yourself so you tell them “you’re hanging out with your boo-ish thing”

“Yeah so I’ve been spending a lot of time with Brennan lately. He’s my boo-ish”

by Bass Jackson October 15, 2020

King Boo

Luigi's nemesis. First appeared in Luigi's Mansion (2001).

Luigi saves Mario, Peach, and all his friends from King Boo.

by mrdrmaster March 27, 2021

oogoo-boo-gaga

A racial slur developed to hate cavemen. Incredibly insensitive.

"Look at that caveman!" He said. "Oogoo-boo-gaga!"

by Not Tom ;) July 7, 2021

Beanie Boo

An adorable plushie with big eyes made by the company Ty.

I have now 131 Beanie Boos and I'm 1 decade old not 5.

by 『Pastel_Beanie_Boo』 July 19, 2021

Boo Radley

A weak emotional male who seeks. constant attention and validation. Always suspects others of plotting against him while never having evidence of such plots. Weeps while playing bob Dylan. Favorite phrase: Fuck off or FO for short

Hey guys crank up the Dylan and break out some tissues, Boo Radley has arrived.

by Stevie Knickers October 18, 2021