The misspelling doesn't necessarily mean anything. My dad is extremely intelligent, but he always complains that he has fat fingers and therefore can't type well, so he makes typos all the time, haha. Not saying that this is definitely a real parent, but it is possible!
I'm derailing, but I couldn't help but giggle at the bolded. This is in no way offense to your father, but all I could think of was this: http://www.youtube.com/watch?v=8DtbPOXFk00
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