Six Warps: Up, Down, Strange, Charm, Top, Bottom.
Six Statues: Roo, Deer, Otter, Raptor, Mink, and Vole
Six genders? (Nah, life is infinitely weirder than that!) (True, but there are six on the statues, and some people are still adjusting to three. ;) )
Seven Rooms in the Paragnostic Desublimation Pool?!
Six is the number of incompleteness.
Six is the number of delicate and sensitive things.
Six faces on each leaf on the Cube Tree.
Honeycombs and benzene rings. Insect legs.
One plus two plus three.
The smallest composite number.
"You are(,) Number Six."
...and half a dozen of the other.
Six feet under.
Six times a lady.
Six ways 'til Sunday.
The smallest [perfect number].
Six is a very important part of the number [sixty-ten]
The human? number.
Deep six.
The basis of Babylonian mathematical philosophy.
360 = 36*10 = (6*6)*(2*5) = (2*3)*(2*3)*2*5 = 23*32*5