Big butt.. insult or compliment?

So a guy friend of mine put up a facebook status saying like this status and I'll tell you what I think of you physically.. so I liked it and he said "u have a big butt <3 " is that an insult or compliment?
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+1 y
I asked him like the dork I am and he said it was a compliment lol

thanks everyone for your input
Big butt.. insult or compliment?
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