Nahh - A cocky way of saying 'or not' that you use when you're tryi

A cocky way of saying 'or not' that you use when you're trying to annoy someone and you're too lazy to actually say the full sentence.

Tongue click. Nahh? You're just mad I got the last laugh.

Nahh? You're just jealous I can beat you at chess blindfolded.

Nahh? You're just a weakling who can't handle the truth.