He says he won the lottery, but it sounds like a trust me bro story.
trust me bro
idiomUsed to express that someone is lying or is making an otherwise baseless or counterfactual claim.
When he claimed his uncle works for the secret service, I knew it was just a trust me bro moment.
The politician offered a series of unverified statistics, relying on a trust me bro attitude rather than providing any concrete evidence to support his claims.