a smothering
A smothering is when a guy is lying down and a girl sits on his face like it’s the most natural thing in the world, and she’s probably eating a sandwich at the same time.
He was smothered by his girlfriend while eating a sandwich. He choked on it.
She smothered him during the school dance. Everyone laughed.
He got smothered by his crush in the library. He had to leave early.