"another corner" ? This implies one or more corners are already clipped off.

But some would say that clipping a corner leaves two corners in it's place.

As to "manliness", if an object defines one's manhood then there are greater issues to contend with beyond a step-thru bike frame.

Doesn't seem to bother this guy much:

imagelinked from http://hansib.files.wordpress.com/20...kespicture.jpg
found in the Celebrities on Bikes thread.