34 1/2 Share definition Flag 34 1/2 is half of 69. It means one performing an oral sex act instead of two performing simultaneously. 34 1/2 is my favorite sexual position, it's less work than 69. 34 1/2 by asisee January 16, 2013 0 0 Get merch Get the 34 1/2 mug. Buy Now — $32.95 See more merch