Adjective
on the up and up
Alternative spelling of on the up-and-up
on the up-and-up
(informal) Legitimate; honest; upright.
Synonyms: above board, bona fide
Before paying any money, make sure the organization is on the up-and-up.
on the up-and-up
Your child's future was the first to go with budget cuts, if you think that hurts then wait here comes the upper-cut, the school was garbage in the first place that's on the up and up. Lupe Fiasco
It's kind of fun when you're playing characters that aren't quite on the up and up and people still like you. Kevin Nealon
All along McNee's instincts tell him that his client, a highly temperamental fellow from out of town, isn't quite on the up-and-up. Source: Internet
He thought his paws were clean, that he was on the up-and-up. Source: Internet