look up any word, like blumpkin:

1 definition by loomis3000

Navy Terminology -
In the phonetic alphabet, Y=YANKEE B=BRAVO. Yankee Bravo is short for "Your Boy", which is a derogatory term used to describe a dirtbag under instruction of a higher ranking member.
"Hey shipmate, you better get Yankee Bravo's shit straight or else."
by loomis3000 August 11, 2009