Well Ive taken all your measurements and here's the result;
The Training Bra (Hon Mentions)
Penny Dreadful for Octo-Wrong
Kaufman for No need for two men to walk them
Biped for Floyd and Verna Jean
Lord_Vodek for Prey
B-Cups (Runners up)
Kramer Vs Kramer for Powerade extreme long distance breast feeding 2010 and The Persistence of Mammary
ZMannZilla for My Eyes are up HERE, Mister
Wonderbra (The Winner)
For simply wanting it more, and for this gem I here by announce RandomComicLayoutGuy to have the biggest breasts.
[Click to view comic: 'RCL no. 2316']
Congrats RCLG!
Incidentally there was a secret word which had it been used would have granted an instant win, that word was Norks.