From Longman Dictionary of Contemporary Englishswankswank1 /swæŋk/ verb [intransitive] British English old-fashionedBOAST to speak or behave in a way that shows you think you are better than other people I wish you’d stop swanking!→ See Verb table
Examples from the Corpus
swank• Bare chested and wet trousered, the job done, they swank before their audience then gallop off to Fair Hill.swankswank2 noun British English old-fashioned [uncountable]PROUD proud confident behaviour that shows you think you are better than other peopleExamples from the Corpus
swank• Dressed in variations of tasteful black, the petite blond actress looks like an Armani study of low-key swank.• There, a little money will buy you a good deal of swank. 