Be careful, calling something 'naff' can offend someone if it's about a personal choice. I didn't mean to upset her by calling her hat naff.
Pro Tip 2/3
Not for Formal Use
'Naff' is casual and may seem disrespectful or unprofessional in formal or serious situations. In the meeting, he regretted referring to the proposal as naff.
Pro Tip 3/3
British Pop Culture
'Naff' is often used in British pop culture and may not be well understood by those unfamiliar with UK media. The comedian's joke about naff TV shows was lost on the foreign audience.