sweaturrection 

1. A second, mysterious reappearance of sweat after it was thought to be defeated.

"Damn it, even after that 20 minute shower I'm getting a sweaturrection because of this damn suit!"

sweaturrection by SkyFood July 15, 2009

sweaterection 

Noun: The appearance of an erection originating from the folds of a sweater or zip up hoodie. This can occur in men as well as females.

Oh man, I was so embarassed. She went to grab my junk, and instead, groped the sweaterection I'd been trying to hide all night.

sweaterection by Paul Penispants September 19, 2010