look up any word, like tbt:
 
1.
Hidden, secretive, undercover.
Grand klugle Karl was wearing sheets as he was an undercover, klandestine operative...and besides, it wouldn't be good for his fried chicken franchise if he was recognized.
by harry flashman August 17, 2003
 
2.
A filipino with no boobs
-Klandestine has no boobs
by !!Justin!! July 08, 2009