dabbing on them folks
Dabbing on them folks is when you rip someone off and then do the dab like you're the best person ever. If you're not good at it, it just looks like you're being a total dummy.
He ripped me off and then dabbed me like I was a total dummy.
She sold me the house for $100 and then dabbed me like I was an idiot.
He dabbed me after I got completely ripped off.