65th base Share definition Flag The act of shrinking to micro-size, climbing into an unaware girl's pussy, and kicking her clit with your mini legs. Guy 1- I just made it to 65th base with Kate!Guy 2- Wow, how did you get high enough to climb in? 65th base by thomas freeman bca 2011 January 4, 2010 0 0 Get merch Get the 65th base mug. Buy Now — $32.95 See more merch