What is "numps"

Usage examples of "numps".

Stephen, feeling that no good could come of brother Numps, nor of the non-recoiling principle, glided from his place.

Americans, for it seemed that Numps had visited the United States: and it continued in the cabin, perhaps at a slightly higher level, but still very tedious for one who was not a sailor.

You talk as if he had twenty pound a-year for pin-money, like you and Lavinia, that might go with half a gown a-year, if good old Numps did not help you.