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

Boo-cocky

Jizz on your face

“Im going to be so honest boo-cocky means jizz in your face”- that one asshat in “Why Him”

by edsheeranspiss April 22, 2023

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

diva boo

Diva Boo is one of the many sides to SEVENTEEN’s (a Korean boy group) Boo Seungkwan. He’s definitely a diva, whether he knows it or not.

Diva Boo’s back at it again, showing Hansol who’s the real boss around here.

by えみこ March 12, 2018

boo shoot

A cleaned-up version of "bull shit."

Kelsey: I got a D on my pharmacology midterm.
Kate: That's boo shoot!

by ktk1988 February 19, 2010

boo nigga

the act of calling someone out when they say something out of pocket.

Sike, Boo nigga!
Justin Tilton, you’re such a boo nigga.

by booooboooooniggggahhh June 29, 2023

Boos flu

A state where a Human catches a virus know as the boos flu (originating from animals). This virus cause one to laugh at any joke whether it's funny or not. Over time the laughter gets so out of hand that one's system can no longer take it and shuts down, therefore leading to death

Sophie got the boos flu last night, sadly her brain found humor at random times therefore leading to her passing

by Ozatech July 5, 2020