Form over function? What good's yer own crack?

[Sparky Kronkite]

Would not yer ass just 'be better' if it were smooth?

Would yer but not be cleaner?

Would it not be easier 'to wipe.?'

 

[phrodeau]

The ass is two - count them - two muscles. This configuration makes walking a heck of a lot easier than if there was only one back there. Adding a third across the whole business adds no advantage.

 

[Sparky Kronkite]

Wow! Phro-dude! Is that avatar?????

Your hot bunghole?

Like a lava-sphincter?

A blackhole on fire?

Wow! You must be gay.