on the up-and-up

Definition

Legitimate; honest; upright.

Etymology

First use appears in the US c. 1863. Its exact origins are uncertain, but it is theorized to have originated in sports betting.

Example Sentences

• "Before paying any money, make sure the organization is on the up-and-up."
• "You double-cross me, you son of a bitch. I bet English gave you a sawbuck so he could take her out and give her a jump, and you sit back there collecting fifty bucks from me becuss^([sic]) I'm sap enough to think you're on the up-and-up with me."
• "“Which you also have to order from his Web site, I'm betting. Are you sure this doctor is on the up-and-up?” “He wrote a book, Abs. Of course he's on the up-and-up.”"