(N); a best friend who never leaves your side, they are more valuable then your testicles themselves.
"Hi I would like you to meet Sara. She is my Besticle."
A testicle, or pair of, that you or anyone else has defined as being better than others. In fact, they're better than the resticles.
Ryan: My testicles are the besticles, better than the resticles.
A man's best friends. A variation on 'besties' referring to best friends.
"Hangin' out with my besticles."
A male best friend.
Hey Jane, have you meet my besticle Josh?
The best of two testicles.
"The right one was simply besticle"
Gay guy friend. Gay best friend.
I am heading to the party with my besticle, Danny.