Meh-llenial 

The abject apathy associated with many of the Millennial generation (aka Generation Y)

We have trouble finding young staff who are willing to work hard, as so many are from the Meh-llenial generation.

Meh-llenial by virgored May 9, 2013

Meh-llenial 

A person who thinks the world revolves around them and that everyone else rates them as highly as they rate themselves....but in fact finds them Meh.

Oh my god, he is so full of himself, what a Meh-llenial.

Meh-llenial by Splatcat03 August 27, 2020

Meh-llennialism 

Mehllennialism: A psychological condition that causes a person to have a highly inflated opinion of themselves, their opinions, importance, worth, looks and abilities. Often presents as a complete denial to accept responsibility for their own actions and refusal to accept that they are anything other than perfect.

That guy has Meh-llennialism

Meh-llennialism by Splatcat03 August 27, 2020