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1.
A term often seen on social networking sites, such as Facebook and Twitter, meaning a female fan of actress/advocate KaDee Strickland.
"A KaDee LaDee"
by I_Submit_Words_I_Come_Across April 27, 2011
 
2.
N. (pronounced Laddie, not lady)
Lunar Atmospheric Dust Environment Explorer
A lunar probe designed by NASA's JPL, LADEE was sent to the moon in 2013 to explore traces of dust and an atmosphere...
person a: hey do you wanna get fucked up?
person b: No, I'm watching the LADEE launch.
person a: Your loss
by CynicalTré November 03, 2013