ダサダサMeanings1na-adjectivelame; uncool; unstylishslang›Slang, often used to describe someone's fashion sense or appearance as tacky or unfashionable. Related to ダサい.See also: ダサいあの服ふく、ダサダサじゃない?Isn't that outfit totally lame?彼かれのダサダサな髪かみ型がたが話わ題だいになった。His uncool hairstyle became a topic of conversation.