Gucci Alfredo is a word that one would use to describe something going well or something being good/great/awesome etc. A good day, something good that happened, a good book, something positive. Things like that.
Have a gucci alfredo weekend!
Bro! That roller coaster was gucci alfredo!
Did you hear? I threw up last night. It was so not gucci alfredo.
That book was gucci alfredo.