I'll fuck you faggot.
It's the worst thing you can say to someone. You're not just being rude. You're saying you're gonna make them your favorite person. Forever.
My friend said, 'I'll fuck you faggot if you don't stop texting me.'
My brother said, 'I'll fuck you faggot if you don't eat your vegetables.'
At the store, the clerk said, 'I'll fuck you faggot if you don't pay.'