1. To formally request a lump of something in your drink.
2. To inform the said gentleman that he has a noticeable cancerous tumor.
3. Protrusion of various bodily parts after being struck with a blunt object.
1. Q. Would you like any sugar in your tea?
A. A lumpsir.
2. Mr. Darcy, I must say that that is quite a lumpsir on your forehead.
3. "Would you like a lumpsir?"