An idiot. Generally a fratty kind of person who wears only Lacoste, Polo, Vineyard Vines and New Balance. The name comes from the relative size of their penis.
"Look at that squirrel boner over there trying to get in her pants!"
"He'll never make it. She wants a real man, not a squirrel boner."
The wondrous feeling of prideone gets when working on their car (e.g. changing a tire).
So I was on the freeway the other day and I got a flat. Next thing I did was pull over to the side of the road and changed it. I can safely say that I had a car owner boner for the rest of that night.