Top Definition
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!
by Antony June 08, 2004
Boyfriend of girlfriend
Sup boo, wanna bounce to mah cribk so I could get sum hardcore
by Brittany April 21, 2004
A close friend of oppsoite sex
by Senor September 16, 2003
smething that a ghost says
the ghost said....."boooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo!!!'
by neala December 22, 2002
Describer of something bold, adventuresome, and/or loyal. Call of strength.
"Boo!!" he said as he climbed Everest for the third time this week.
by The Wandering Minstrel July 10, 2006
Term of approval used in various British urban music scences to signify a heavy choon or flow.

at the start, middle or end of a track
by wa gwan June 29, 2006
This term is used to describe a love for a significant other. This is a synonym for words such as baby, honey, sugar, my love, darling, and pumpkin.
My boo, how are you doing today?
by Kalinoa July 29, 2005
used when apologetically expressing that you've done something wrong.

interchangeable with "my bad"
" I left the chicken in the oven too long, ma boo."
by Nicky NOTORIOUS March 22, 2004

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