na-adjective
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、ダサダサじゃない?
Isn't that outfit totally lame?
彼のダサダサな髪型が話題になった。
His uncool hairstyle became a topic of conversation.