I'm going to eat a one night stands leftovers
Why eat someone else's leftovers?
I got hungry and don't feel like ordering food?
You should not eat their food without their permission. That is very disrespectful to them.
I don't care, all girls out there should get food for me.
All girls do not owe you food. Just ask if you can eat the leftovers. If not, then buy your own food, don't steal from another.