From Yiddish קװעלן (kveln), from an old Germanic word akin to German quellen, "well up".
kvell (third-person singular simple present kvells, present participle kvelling, simple past and past participle kvelled)
- (intransitive, US slang) To feel delighted and proud to the point of tears; to boast; to gloat.
- 2013, Thomas Pynchon, Bleeding Edge, Vintage 2014, p. 4:
- ‘Magnificent residence,’ she pretended to kvell, ‘maybe I'm in the wrong business?’