The song "That Shit Go (Up-Down)" by JR Castro is a sexually explicit track that details the artist's escapades with his partner. He boasts about his sexual capabilities and how he can give his partner the best pleasure, especially when he's angry. The first verse features YG, who also brags about his sexual prowess and how he can satisfy his partner. The chorus emphasizes the up and down motion of sex and how it's not just an ordinary experience. The second verse is performed by Castro, who talks about making his partner feel good and wanting her to share the experience with her friends. Sevyn Streeter joins in on the track, detailing how she can provide her partner with courage at night and keep him focused on her. Overall, the song is about sexual exploration and satisfaction, with the artists daring their partners to experience pleasure like never before.