You can bold the letters. But then it may get ninja'd. I'm not sure though.
Examples:
[url=http://www.wikipedia.org/wiki/Godwin%27s_law]-godwinslaw!-[/url]
[b]N[/b]azi
English
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I bolded "F--- You" and got Ninja'd. Though, post did reach 30-some replies and likes.
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Haha. I got ninja'd for using bender's shiny metal *** once. A guy was talking about how funny it would be for bender to voice the ghost so I put: "Little Light!" "Bite my SHINY METAL ***!" :o Next day, it was ninja'd.