Emasculathe: Rotating castration tool.

Banding saw: special tool to remove those peskily tight elastrator bands. A steady hand is recommended or not, depending on which way you lean.

Castrationary Bicycle;

A pedal powered castration device.

It doesn't really go anywhere. You just hop on it in your living room. You pedal and pedal, until... well, you get where you're going, if you know what I mean.

How many of us would attend that "spinning class"?

hehehe.. well done, Cainanite.

Castratabanana; I can't think of a description, but isn't it fun to say?!

It's not really a definition. But I have always been suspicious of the name of that hazelnut spread, Nutella.

It sounds a little too much like the name of a castrating dominatrix for my tastes.

"Oh, no boys. Run away. Here comes Nutella!"

Wait. I've got another one.

Penecto-miser: Someone who greedily hoards penises.

Come on. Someone else has to have more of these.