a shot across the bow

Sitting on the toilet and letting loose a trumpet blast of a fart before taking a big dump.

"Hey Sarge! Did you here Jones just now in the head? Sounds like he (Fired A Shot Across The Bow) before he let loose one Hell of a depths charge!"

in the pokey getting pokey

Incarcerated in Jail or Prison and getting ass raped.

Joey went to the Joint for raping Little Cindy. Now the the other inmates found out what he's in for, I guess that you could say that he's "In the Pokey Getting Pokey. "