The song "Mr. Big" by Gov't Mule is a straightforward rock song that speaks about a romantic relationship and the protagonist's assertive attitude towards an unwanted third party. The lyrics express a sense of pride and possessiveness over the protagonist's partner. The song opens by stating the protagonist's dedication and hard work, emphasizing their independence and self-reliance. They assert that they don't need anyone else to tell them about their significant other's qualities. The line "She's got so much love and she saves it all for me" highlights the protagonist's belief that their partner's love is exclusively reserved for them. The phrase "Mr. Big" is used to refer to the unwanted third party interfering in their relationship. The protagonist warns Mr. Big to watch out and not hang around, expressing their disapproval and desire for distance. The line "Oh for you now, I would dig, a great big hole in the ground" illustrates the protagonist's intense emotions, suggesting that they would go to great lengths to protect their relationship, even resorting to aggression if necessary. The chorus emphasizes the protagonist's resolve in their stance. They state that they don't care who Mr. Big is and they do not want any explanation from him; they simply want him to leave and not return. The lyrics convey a strong sense of rejection and assertiveness. The bridge of the song reiterates the protagonist's rejecting attitude towards Mr. Big. They make it clear that they don't want anything from him and have no intention of giving him anything either. The protagonist's frustration escalates, warning Mr. Big to leave before they lose their composure. In the final verse, the chorus and bridge are repeated, underscoring the protagonist's determination to keep Mr. Big away. The song concludes with a repeated assertion that Mr. Big needs to watch out and not hang around. Overall, "Mr. Big" is a song about asserting one's authority and protecting a romantic relationship from external interference. The lyrics suggest a strong desire for exclusivity and a willingness to defend that relationship with fervor.