"Leave The Door Open" is a song about a man who is inviting his love interest to be with him. The lyrics express his desire for her company, with an emphasis on the sensual and romantic aspects of the relationship. The opening lines introduce the band Silk Sonic, consisting of Anderson .Paak and Bruno Mars, who present themselves as the "cream of the crop" in terms of musical talent. The men then begin to flirt with their love interests, asking where they are, what they're doing, and if they have plans.

As the song progresses, .Paak and Mars paint a picture of opulence and luxury, describing a beautifully clean house with a warm pool and freshly shaved skin. They speak of dancing, romancing, and spending the night together, highlighting the romantic nature of the invitation. The chorus is all about leaving the door open, making it clear they want their love interest to come over and be with them tonight. The tension heightens with the mention of bubble baths, rose petals, and the potential for making love.

Overall, "Leave The Door Open" is a passionate and sensual song about two people who desire each other's company. It is an invitation to explore a romantic connection, presented in a smooth and seductive manner. The lyrics create a sense of anticipation and eagerness, with the hope that the love interest will accept the invitation and come over to spend the night.