What does England English slang word bottoming mean as said on BBC TV show Coronation Street?

In the context of the BBC TV show "Coronation Street," the slang term "bottoming" typically refers to a sexual act, specifically in gay relationships, where one partner takes on a receptive role. It's often used in a humorous or colloquial context within the dialogue. The use of such slang adds a layer of authenticity to character interactions and reflects contemporary issues in relationships.