Walking in a fast pace. (You usually see pedestrians do this.)
"George seemed to be quicking to his class. He ended up staying after the bell due to him being late."
Someone that's speaking with a sore throat. Usually happens around the Flu season. That individual may have a stuffed nose that pitches the way they talk.
1 : I'm assuming you're severely ill.
2 : How could you tell?
1 : The dry talking.