When your food is too hot but you still want to keep eating it (specially the mouth thing you do like haehaehae)
Your mom just made you delicious lasagna but it’s too hot to eat but you still decide to eat it anyways and so since it’s too hot in your mouth you do the mouth thing(uodut)
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi