The hole that your dad gave birth to you from.
Don't you have one?
Today in the shower I was cleaning my dadhole, unfortunately we all know they can never get 100% clean.
No, I haven't found my dadhole yet.
The upwards-facing flat plane of the penile shaft, when in boner form.
"Is it annoying when my shnoz rubs against your backboard during fellatio?"
"My balls look fine, but I think you bruised my backboard."