Someone you love a lot, someone you care about and someone you would die for. You really can't live without your boo. Your boo is not someone you are in a relationship with.
She or he is my boo.
by Paul lebron January 2, 2019
Get the Boomug. by anonymous June 10, 2021
Get the chicky boomug. by Liamnessan January 17, 2023
Get the BOOmug. You like someones hair or you like them for there hair. It's kind of like the the suit affect but on hair (suit affect is from i Carly when specter wears a suit because the girl only likes him when he is wearing it.)
by 0ldZhandllee April 14, 2017
Get the hair boomug. When you and your significant other are sharing a cigarette but they keep forgetting to pass it back to you for your turn.
by NayKay June 23, 2022
Get the Boo-gartmug. Commonly used as a greeting in the show 'Generation loss' and is mostly used by the character 'Slimcicle'
by Oseman Walker August 27, 2023
Get the boo bitchmug.