From Longman Dictionary of Contemporary Englishclubbingclub‧bing /ˈklʌbɪŋ/ noun [uncountable]  DL informal the activity of going to nightclubs She always goes clubbing when she’s in New York. —clubber noun [countable]
                                                    
                                                Examples from the Corpus
clubbing• Arriving back from a particularly hard night's clubbing.• Two men were arrested for the clubbing and subsequent murder of Lester Monroe. 
