Top Definition
The key in music with 5 sharps in the key signature: F#, C#, G#, D#, and A#. It can also refer to the chord, which is the first, third, and fifth steps of the B major scale: B, D#, and F#, respectively.
"So, the A# in the F#7 chord acts as a leading tone to the tonic, B, in the B Major chord?
Exacty, Mr. Example Man."
by Mr. Example Man October 31, 2006
A Key in which music is played, consisting of Five sharps or flats.
B major scale:

1 2 3 4 5 6 7 8
B C# D# E F# G# A# B
by Levi Morris June 24, 2006
A female who gives superior head
That chic that came through after the club last night was B Major.
by Kokaine Slim July 05, 2008

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