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1.
1. verb - A male that has a constant erection.
2. adj - One who is aroused by sports or athletic events.
1. "That dude sportsboner all day."
2. "Bro, this soccer game is so awesome. I have the biggest sportsboner right now."
by Sportsboner September 25, 2011
 
2.
Excitement do to a great physical sports related feat.
I got a major sports boner when Kirby Pucket made that leaping catch in the 1987 World Series
by q-tip September 26, 2006