hob ‧ nob /ˈhɒbnɒb $ ˈhɑːbnɑːb/ BrE AmE verb ( past tense and past participle hobnobbed , present participle hobnobbing ) [intransitive]
[ Date: 1700-1800 ; Origin: drink hobnob 'to take turns in drinking' (18-19 centuries) , from habnab 'in one way or another' (16-19 centuries) , probably from Old English habban 'to have' and nabban 'to have not' ]
informal to spend time talking to people who are in a higher social position than you
hobnob with
He spent the first day hobnobbing with the management.