Eating someone
To eat someone's Doritos means you're going to kiss them while they still taste like old chips and cheese. It's like a food fight in your mouth.
I kissed him after he ate Doritos, it was like kissing a chip factory.
She ate Doritos and then I kissed her. It was the worst and best thing I've ever done.
He ate Doritos and I kissed him, it was like eating a chip and getting smothered by cheese.