All the nuance of Meh.

meh-catJ: Mehnal = someone who is in a state of “Meh.”
Phenomehnal = an event where someone’s mehness makes other people suffer.
Used in a sentence: Are you mehnal?! First you wanted to go out for dinner, and not you want to leave? That’s just phenomehnal.
Phenomehna = the event which triggered a bout of mehs.
Also, I just saw a cat on a leash.

C: Meh.