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noun
dialect BritishA block of peat; a spade's depth in digging turf.
Origin
Late 18th century (in an earlier sense). Origin uncertain: perhaps alteration of lump, or perhaps a specific use of the singular form corresponding to mumps.
verb
Scottish1To assume a demure, melancholy, or sanctimonious expression; to be silent and sullen; to sulk, mope.
2To grumble, complain peevishly. Now often in "to mump and moan".
3To utter indistinctly or inarticulately, as if with toothless gums; to mumble, mutter. Also with out.
Origin
Late 16th century (in an earlier sense). Apparently from an imitative base of Germanic origin. Compare Dutch mompen to mumble (rare, poetic), German †mumpfen to chew with a full mouth, Icelandic mumpa to cackle, to mutter, murmur, mumpra to eat greedily, to mumble, to distort the mouth, Norwegian regional mompe, mumpe to chew with a full mouth, stuff oneself.
verb
British1slang, dialect To beg, go about begging; to sponge upon.
2slang Of a police officer: to accept a small gift or bribe in return for services.
Origin
Mid 17th century (in an earlier sense). Apparently from Dutch mompen to cheat, deceive, conceal, of uncertain origin; perhaps related to mompen to mumble, though the nature of the relationship is unclear.