A rhopalic sentence is where each consecutive word is one letter longer than the next.
So the dawn train London heading respites, concealed underneath hyperborean overcastness.
Up the girl moves, climbs onboard carriage acquiring convenient positioning.
As she sits, curly fellow holding neckwear abandoned.
So her face turns maroon, nodding, thanking gentleman, hesitating.
He may want words, though silence prevails, therefore disappears.
As new dawn rises couple spotted swapping bilateral tenderness.