Nab that biscuit
To nab that biscuit is to get the good stuff, like a kid snatching the last candy from the jar. It means you got the goods and you’re not shy about showing it.
He messaged her, 'Nab that biscuit, I'm not lying.'
At the party, he yelled, 'Nab that biscuit, man!'
After the first round, he said, 'Nab that biscuit, I'm not done yet.'