Meaning of "I Won't Slip Up" by The Delines

The lyrics paint a picture of someone who is dealing with a lot of pressure and scrutiny in their life, whether it's from their overbearing mother or their strict boss. The narrator's desire to go out and have a good time on a Friday night shows their need to escape from the constant stress and surveillance in their everyday life. Despite the promises made to not "slip up," it's clear that there is a sense of rebellion and desire for freedom being expressed. The mention of going to "little Sam's" and having a couple of drinks represents a desire for simple pleasures and a break from the routine. Overall, the lyrics convey a sense of longing for independence and autonomy in the face of external expectations and control.