(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

what a, such a / what (used quotatively)

南天: the southern skies / 南天: nandina, heavenly bamboo, sacred bamboo (Nandina domestica), a kind of flowering shrub / 南天: a kind of 家紋 (kamon, “family crest”) featuring the nandina in the design

just kidding!

Alternative form of なんてね

damn it all; what the hell