not give a rat's ass

(rude)

to not care at all Frankly, I don't give a rat's ass about her.

Name	Pronounced	Usage
Alli	AHL-lee	Finnish
Scarlet	['ska:lit]
Rudesind	-	Ancient Germanic
Onyekachi	-	Western African, Igbo
Spiros	-	Greek
Anca	-	Romanian