Chinese Bookbag Share definition Flag When you have anal sex in the missionary position, and let your nuts hang along the small of the girl's back. What a long night.....my girl was wearing my Chinese Bookbag for hours! Chinese Bookbag by GylesDMT February 2, 2010 0 0 Get merch Get the Chinese Bookbag mug. Buy Now — $32.95 See more merch