offbeat
adjective /ˌɒfˈbiːt/
  /ˌɔːfˈbiːt/
[usually before noun] (informal)- different from what most people expect synonym unconventional- offbeat humour
- an offbeat approach to interviewing
- He has a rather offbeat sense of humour.
 Oxford Collocations DictionaryOffbeat is used with these nouns:- sense of humour