Many of the boners on this site cannot be explained, but the weirdest phenomenon may be that of the “beach ball”. This isn’t the first time we’ve seen a spherical boner, and it probably won’t be the last. If any of you boner detectives have any theories, please share in the comments.

They say Oxford students like to party, but that doesn’t explain this photo – unless he just had a really exciting intellectual discussion with the person next to him.