Naff

[Sonia]

British slang, describes something that is stupid, lame or unpalatable.

[PussyCat]

1. Of poor quality - in particular, tacky or obvious in some way.
2. Can be used in virtually any context that fuck can (but not used to denote coitus) only way classier, and sounds much better.

[PussyCat]

Basically something uncool. Can also be used to tell someone to naff off; a politer way of telling them to fuck off. UK Slang.

[Tanya Shivari]

something uncool.

original meaning: not available for fucking

[Britney]

Unbearably and embarrassingly out of fashion and nerdy.

[Justin Bieber]

A word used in Great Britan to mean tacky, lame, or totally uncool. Can also be used as nafty.

[Mark Zuckerberg]

A freak nigga.

[PussyCat]

it means something that rubbish or pointless. Not what you expected it be.