"Money Machine" was produced some time after the release of their debut EP 100 Gecs, because they were interested in returning with the project.
[3] In "a whiny chipmunk voice",[4] the song opens with the lyrics "Hey you lil piss baby / You think you're so fucking cool, huh?
/ You think you're so fucking tough / You talk a lotta big game for someone with such a small truck",[4] "[scanning] as pure chest-puffing braggadocio [and containing] one of the most appealingly strange taunts in recent memory",[5] and then goes into a chorus "of scraping power chords that are kind of like a cross between Skrillex and Sophie.
The music video has Brady and Les as "badass rapper-types mugging for the camera" as they step into a parking lot with some "rather large trucks", and distorted by layers of visual effects.
Sasha Geffen, for the same website, wrote that the song "is a purification ritual for the rotted-out brain, a seething, monstrous prayer to burn the slime away".