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Slash ""/"" and backslash ""\"" are the hands/harms and ""o"" (or ""O"" or ""0"") is the face/head or mouth. The first, ""/0\"", means frustration and the hands are on the head (hands in the hair), while the second, ""/o\"", is a smile or contemplation with both hands under its chin; if you can try this or google images search. lol – (talk • contribs) 

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