1. v.intr. sl.
1. (in imper., foll. by off) go away.
2 (as naffing adj.) used as an intensive to express annoyance etc.
Etymology: prob. euphem. for FUCK: cf. EFF 2. adj. sl.
1. unfashionable; socially awkward.
2 worthless, rubbishy.
Etymology: 20th c.: orig. unkn.