boo birds

Home team fans at a sporting event who boos one or more members of the home team because of the team playing bad.

The boo birds are out tonight.

by stanley2toronto September 28, 2011

boo thing

1. A name to call someone like a boy/girlfriend.
2. Someone you're interested in.
3. You're main guy/girl.

"I'm going out to dinner with my boo thing."

by Sixty Nine January 9, 2008

boo hoo

The term is imitation of the sound of someone crying or sobbing. It is often seen written, like in cartoon speech balloons. Less often, a person may say it aloud in an affected way to convey sadness or disappointment. Can be used sarcastically.

"Boo hoo," cried the little girl after she fell off her bike.

- OR -

"Boo hoo!" mocked the others, "Don't be such a crybaby."

by oskiwee December 5, 2004

boo koo

A lot, many. Quintessential american slang butchering of the french word "beaucoup."

Check my bling on my wrist, man. Whoa I bet that shiz was boo koo bucks!

by DarenH July 4, 2005

boo boo face

The pouty expression on a persons face when they get embarrassed, defeated, or otherwise served.

Al: What happened to Ramon? He's got the Boo Boo face.

Me: Ramon got served and is still in shock over it.

Person 1: Whoa look at that boo boo face on that guy

Person 2: Yeah, Ramon got caught goofing off at work again

by johnnyredlight November 12, 2009

Boo-Yaa

1. slang for a shotgun being discharged

2. Short name For Rappers "Boo-Yaa Tribe"

Damn I heard Boo-Yaa

by ac February 20, 2004

boo slash nay

A term of disapointment usually used in conjunction with a diagonal hand chop gesture. (Related to its positive form, woo slash yay.)

"I didn't get the back stage passes. Boo slash nay."

by Bin Bag Ninja October 7, 2007