40/7 Share definition Flag The most wicked awesome band in the history of ever and will soon rule the earth with their supreme rock. Dude, I cant wait for the new 40/7 album to come out tomorrow! It's gunna be awesome! 40/7 by 407bass July 10, 2009 0 0 Get merch Get the 40/7 mug. Buy Now — $32.95 See more merch