103457th base 

It's when you do the water spout maneuver with your grandma and then get your dog in the action

Dude! Last night I got to 103457th base. It was amazing!

103457th base by Tyler Slayrry December 3, 2014

103459th base 

Viciously stabbing your sexual partner with knives and spoons while spooning then preceding to shove your dick in each of the holes.

Now if you're a lady then carve your partners leg into a large dick and spray paint it black if it pleases you, then precede to ride that artificial dick honey whilst yelling "cacao"

WARNING: your partner may die
¯\_(ツ)_/¯

friend 1: bruh I went to 103459th base with Sydney last night! it was sweet!
friend 2: no way dude! I went to 103459th base with Juliette last night!

103459th base by o dubb February 21, 2015

103455th base 

Being called Matteo

I got to 103455th base when i was born

103455th base by Rocks1212 September 3, 2016