Boo 

The perfect woman. The love of anyone's life.

She is my boo.

Boo by Chad-Ceywell August 12, 2017

boo 

1. Boyfriend or girlfriend
2. Word used to scare people

1. Can you handle me? If you can't you ain't gonna be my boo.

2. Guy: BOO!
Guy 2: Holy sh*t!

boo by Antony June 8, 2004

Boo 

Girlfriend / boyfriend. Some people use it as I love you. Or the word ghosts use to scare people

Boo! Frank said. I love you boo. Hi boo

Boo by MineKing2435 August 28, 2016

Boo 

AHHH

person: boo
person 2: AAAAAAAAAAAAHHHHHHHHHHHHHHHHHHHHH

Boo by Mthu February 15, 2020

Boo 

Someone thats considered their one and only...

Your my boo

Boo by Boodrow February 28, 2019

BOO 

AAAH

BOO!

BOO by indianwaterbottle October 19, 2021

Boo 

A small spherically shaped ghost that is only visable when your back is turned.

Mario tried to kill the boo, but every time he turned around to hit it, it vanished.

Boo by naveregnide June 12, 2007