Nothing but

Near-synonyms: nothing less than; nothing if not (in some usages)

Do you solemnly swear that you will tell the truth, the whole truth, and nothing but the truth, so help you God?

In an attempt to lose weight and improve his relationship with food, Andrew Taylor has decided to eat nothing but potatoes for a year.

"It's because they're hos," she told Owens. "If you don't run out of the room and go, 'Excuse me, you don't do that to me,' and leave, but you stayed around because you're like, 'Well, I thought maybe he was going to give me a writing job,' well, you aren't nothing but a ho."