"To get one's grub on"

To eat, to go about the process of eating, to make preparations for eating, to undertake action to bring about the prospect of eating. From the English slang grub meaning food.

The catchphrase of Jaden/Judai Yuki of Yugioh GX. It's much better than the other protagonist's catchphrases

To aggravate someone.

The saying "Get Your Goat" supposedly originated from the early horse racing days, where goats were kept with nervous race horses to keep them calm before the race, and if you wanted to beat the competition you would get their goat causing their horse to become agitated and unable to race. (from: http://goathavenfarm.tripod.com/)

"Black" term for getting some action.

getting your brown on is where you drink to the point of not being able to control ones bodily functions, mainly crapping yourself

When you go to the gym to grunt and lift heavy weights in order to gain muscle size.

Can be used as a substitute phrase for performing or completing a certain action.