1.
63rd Base is a base in which you meet an amazing girl...lets call her Beckiee and you plan to love her for the rest of eternity,

2.
also the second meaning is that, u find a milkman fucking a goat and join in the gangbang whilst jerking off a Donkey
1.

Aiden: "I think i met the most amazing girl ever"
Kat: "oh really who?"
Aiden: "this amazing girl called Beckiee i love her "

2.

Dan Ballard: "omg I SO RECHED 63RD BASE LAST NIGHT"
Aiden: "You sick fuck, go back to fucking your milkman you twat"
by funkyzozo1 September 22, 2009
Get the 63rd base mug.