From Longman Dictionary of Contemporary Englishpunchypunch‧y /ˈpʌntʃi/ adjective EFFECTIVEa punchy piece of writing or speech is short but very clear and effective —punchiness noun [uncountable]
Examples from the Corpus
punchy• punchy melodies• A third, so thickly padded he can hardly raise his arms, waddles the hall like a punchy Michelin man.• punchy political jokes• Start with a punchy sentence, get them reading.• Would a particular setting help to maintain a punchy sound? 