boo 

Marijauna, pot.

I like boo, it keeps me happy the whole day because I don't know what the hell I'm doin.

boo by um..... Mr. Cheese December 23, 2002

Boo 

Slang term for marijuana, aka boo grass

This example will be in the form of a conversation:
"hey man, you got any boo?"

Boo by Jason Bond 86 April 23, 2009

boo 

WEED; short for budah

pass the boo

boo by nickelnut May 15, 2004

Boo 

Slang term for Marijuana hailing from the late sixties.

"This freak digs boo."

Boo by DontReadThis January 2, 2006

Boo 

girlfriend or boyfriend.

you get butterflies when you talk to this person.

somebody you love.

can't see yourself with anybody but this person,
and you would love nothing more then to spend the rest of your life with them.

Cody: Hey boo.
Courtney: Hii babyy.

love you.

Boo by Courtney Jane March 14, 2008

Boo 

when i ghost says Boo, it means I am a gohst, fear me.

Courtney is walking into a haunted house, a ghost pop up and says Boo! ...

Boo by F4TE September 4, 2004

Boo 

slang for marijuana, pot, dope, smoke

Got some good boo. Take a toke of this boo.

Boo by Gene Nelson June 25, 2005