whipping one's ass

Verb
Meaning: killing an opponent(s)

I don't mind whipping one's ass anytime of the day

No ones assed

no person/ not a single person concerns themselves or gives sufficient attention to what has been said/done

Kieth: “Guess what I did on Friday?”
Kenny: “no ones assed”

Scratching one's ass

To be not aware of what is going on around you; to be lazy and negligent to jobs and chores that need doing around you; to be stood or sat around doing nothing

The bus driver was sat there scratching his ass ass everyone was running late to work

(Scratching one's ass)