Gronk Cruise -- BATTEN DOWN THE ASSES ... Twerk Madness
Gronk Cruise BATTEN DOWN THE ASSES ... Twerk Madness
![](https://imagez.tmz.com/image/b9/16by9/2016/02/20/b96ec1c407ab5102b48e4673d2a855ee_md.jpg)
Gronk gonna Gronk ... even at sea.
Check out the scene on the cruise last night -- the Gronk bros turnin' all the way up with DJ Whoo Kid and Waka Flocka ... while a bunch of chicks twerked all over the boat.
Madness.