A variation of the typical boner, the Full Blowner is a boner which has reached terminal capacity in both girth and length, pulsating and throbbing almost uncontrollably. It is almost always at a 180 degree angle to one's stomach, unless it is naturally crooked. The Full Blowner typically occurs just before ejaculation and has a short life span.
Example: Mark pounded his chest with savage anticipation while his steeling gaze studied the urban snowscape that stood against him.
His gloved hands gripped the frigid steel controls of the ancient machine that was created to conquer the ice crystals preventing the human form from navigating its naturals pathways.
As the vibration of the machines motor roared, he marched forward, resolute in his courage as he felt himself rise...
Mark had a Snow Blowner