I think it’s duck-ass and creepy-ass. Cracker is a known slang. I’m ok with being called any of them - makes me smile, in fact.
Really, you have to hear it spoken——Treyvon said, “I’m being followed by a creepy ass cracker”...
OK. But the inflection was, “creepy ass-cracker”. He was homophobic, not exactly racist like the it reads on paper. In testimony, his fat-assed girl friend confirmed that he thought he was being stalked by a, er...um fag.