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1.
an adorable person who you want to pinch their cheeks. You may also add 'jugguh' to the end of it.
'Awwwww that person is such a beebee!!'

'AWW you're such a beebeejugguh'
by chiquitttttta July 01, 2009
 
2.
A spousal name used as baby or slurred talk for "baby."
"I'd never leave my Beebee"
by DarexMe April 25, 2006
 
3.
A childish adult; one who behaves in an infantile manner whether he/she is 18 or 118.
"What a beebee that Margo is; she is 50 years old and still dresses like she is in high school. Hot pants and platform shoes on a woman her age do not fly my kite."
by Alice W. October 26, 2006
 
4.
Small boobs. Teeny weeny itty bitty titties.

"I wish Colleen had some real funbags. Until she gets that surgery, I'm stuck with these beebees."
by Hoogwah November 14, 2006
 
5.
Beebee

An inappropriate,ridiculous, too obvious or too young a style wig worn by an older woman, see also beeble.
Look at the beebee on that old woman it must be made of old rat tails.
by Marjorie B B Dawes July 10, 2008