A man using Tinder has been branded ‘clueless’ and has been mocked by people online after a potential match on the app shared a look at an ‘immature’ joke he made to a woman about her ageA man using Tinder has been branded ‘clueless’ and has been mocked by people online after a potential match on the app shared a look at an ‘immature’ joke he made to a woman about her age