Often mistaken for an actual boner, yet in actuality is quite different. Bonzars are often raised by certain circumstances that normally would not affect a boner. However, like a boner, a bonzar can also be affected by attractive women... or men.
John: "Hey, the weather is nice today!"
Mike: "Yea man! In fact, it is kinda giving me a bonzar."
John: "I am getting such a bonzar from this weather."