Board Thread:Fun and Games/@comment-30604075-20170426100811/@comment-26234016-20170429160850

Um...

With the Roman thing, and the triple x thing, I'd guess that it's X because X is the 24th level of the alphabet, two X's together is 20 in Roman numerals, and three X's is... Well...

Exxxplicit.

Still not sure what key has anything to do with it, but final guess is the letter

X.