An erection produced from the thought of something extremely comfortable. Specifically, one produced entirely free from sexual thought/arousal. Usually occurs when one is very tired or lacking of sleep.
Dude, I was so tired in Calc 2 today that I started hallucinating about my pillow. Next thing I knew...I had a cozy boner.
by He who knows best April 11, 2011
by Jeffrey2827382 January 18, 2009