The man described his relationship with her as a few good fucks.
WordNet 3.0 Sense Numbers: 1
The hooker told him she was a better fuck than the other women on the street.
WordNet 0.0 Sense Numbers: 1b
NOTE: usually in the expression 'give a fuck'
He doesn't give a fuck about anyone but himself.
John actually appears to give a fuck about the success of our project.
She doesn't give three fucks for what other people think of her clothing style.
WordNet 0.0 Sense Numbers: Idiomatic