Fefe

Noun- pronounced 'feefee'
Meaning:

Trash, rubbish, junk, crap, BS; a thing that is considered worthless or meaningless.
synonyms: nonsense, balderdash, stupidity

That's nothing but a bunch of 'fefe'
Do you believe the 'fefe' coming out of their mouths
Covfefe Coverage crap

by Memory Alpha June 1, 2017

Covfefe

A brilliant combination of terms created by President Donald Trump.

noun - Covfefe meaning:
Combination of two words Coverage and Fefe (pronounced Cov Feefee)

The root Fefe Noun- pronounced 'feefee'
Meaning:

Trash, rubbish, junk, crap, BS; a thing that is considered worthless or meaningless.
synonyms: nonsense, balderdash, stupidity

Trumps Twitter quote: "Despite the constant negative press covfefe,”

This sentence can be dissected as follows:
“Despite the constant negative press coverage 'stupidity'

Because Twitter has character limits, this is a Brilliant use of language truncating by the President.

by Memory Alpha June 1, 2017