What is the meaning of "dawg-gone" in the phrase below. Thanks, in advance.
"I also know it takes me away from doing other things.. like cooking.. cleaning house... book learning/reading and other things I should spend more time doing... but dawg-gone it! I just looooove the internet!!!"

Question

What is the meaning of "dawg-gone" in the phrase below. Thanks, in advance. 
"I also know it takes me away from doing other things.. like cooking.. cleaning house... book learning/reading and other things I should spend more time doing... but dawg-gone it! I just looooove the internet!!!"

Answer

Hi ,it is also interjection, that is an exclamation of annoyance, disappointment, etc.

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It's also a euphemism for "God damn it". It's inoffensive, whereas "God damn it' may be offensive for many people.

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its a hick way of saying god damn it

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'dawggone' or 'doggone' (dawg=dog) is a euphemism for 'God damn it'.
It is used as an interjection to show that you are surprised or annoyed.