An interjection, being a contraction of '(Lord) love me'. Used to express surprise or dismay in circumstances where 'bloody hell' or 'holy fuck' might not be appropriate.
The practice of putting once lips on a pair of labias, following a buzzing noise to create a sound similar to the trumpet. Sounds may be similar to that of a folded leaf whistle, but with the added sound effects of wetness.
Richard: Hey Max i had such a great time Lumpeting you last night.