Rob Gronkowski Offered A Couple $10k Cash ‘To Bang In Front Of Everybody’ At The Gronk Party Cruise

Rob Gronkowski is having the time off his life on the Gronk party cruise. He’s been grinding all over the place and slapping girl’s asses.

Now, Robert Klemko of has video of Gronk offering a random couple on the Gronk party cruise $10k cash to bang in front of everybody.

Gronk is a real life Thad Castle.

WATCH: Why We Want To Party With Gronk