Bats in the belfry

[Britney]

An [antiquated] term for insanity, madness. [Belfry]: the top of a [bell tower] on a church, where the bell is housed. Often infested with bats, who enjoy the darkness and seclusion of the place.

[Kit]

[The best song ever] made by [dispatch] the coolest band ever, or to be [batty] or eccentric

[Donald Trump]

When a female has not had [intercourse] in quite some time, you refer to her as having “[bats] in her [belfry]”.

[Tina]

When a man and a woman are having sexual relations in [the missionary] position, and the man fits his entire scrotum into [the womans] vagina, and then slapping his penis onto the top of the womans [pubic area] while mimicing the sound of a large bell.