POTLATCHING
Scrabble letter values: P3O1T1L1A1T1C3H4I1N1G2 = 19
Definition
POTLATCHING is the present participle of POTLATCH.
noun POTLATCH: a ceremonial feast held by some Indians of the northwestern coast of North America (as in celebrating a marriage or a new accession) in which the host gives gifts to tribesmen and others to display his superior wealth (sometimes, formerly, to his own impoverishment).