When a snowboarder gets aroused from the epic weather and other snowboarding conditions. In addition, if a fellow boarder does a totally awesome 1080 rodeo flip, that could lead to a snowboner.
Bro: Dude, we got like 12 feet of snow last night. It's awesome bro. I'm going to triple backflip on my first run. You see all the snow on the mountains brah?
Brah: Bro, your story just gave me a snowboner.
when there is a possibility of a huge snow storm, and everyone watches the local weather in anticipation
After hearing about the huge snow storm, I have a major snow boner.
When a snowboarder is aroused from epic snowboarding conditions.
Bro: Brah, we got like 9 feet of snow last night. Today is super sunny and perfect. I'm going to shred the halfpipe while rocking my epic goggles. Epic conditions! Did you see all the snow on the mountains brah?
Brah: I just got a snowboner.