moonshot
adjetive. Something intended to be genuinely awesome, but is only so in its ironic appreciation. ie, something that's "so bad, it's good". Must be sincere and lacking irony in its intent. Parody, therefore, is not moonshot. It derives from the notion that it's something that's "shooting for the moon".But because it's so awful, it actually becomes awesome.Things that are moonshot usually have a cult following.  
"Plan 9 from Outer Space" is classic moonshot.