A userbox is a small box that looks like this. Below are more examples.
Userboxes can come in many different styles and colors.
Userboxes can have one or two sideboxes.

}{! There! You clicked on my 0!

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  This user is a Wikipedia Commons member.

File:Holly Weber Crochet Bikini1.jpgThis user HATES LUVS bikinis!!!!!id2