antefection 

The opposite of perfection, ie every single thing you can think of. Consider infinite and finite.
Forms:
Adj. Antefect
Verb. to antefecate
Adv. Antefectly

"You're not God, you're just an antefect little dog!"

antefection by Gravitron March 12, 2005

Antirection 

The opposite of an erection, this happens when you are so unattracted that your penis actually gets smaller.

Holy shit dude, that bitch just gave me an Antirection!

Antirection by Riley zor October 14, 2008

Antirection 

The opposite of an erection. Usually achieved upon sighting a minger, but can also occur after seeing a hard hit to the testicles.

Not to be confused with shrinkage.

1.) Jay: That bitch's face was so whack I got an antirection. I was down to a nub!

2.) OOH WHAT A HIT! I've got a sympathy antirection.

Antirection by TimboSlice October 8, 2008