So overwhelmed with incoming email/texts/messages that you are unable to form any responses... even to the simplest of queries.
She was so e-whelmed that when her mother texted "What would you like for dinner?" she sat paralysed, non-responsive, and mentally vacant.
A male millennial, especially displaying annoying characteristics.
From male, but mal = bad, sick
He's such a malennial he doesn't even know how to wash a dish.
A female millennial.
Femillenials have less body hair than any previous generation. Ever.