[no obj.](informal)mix socially, especially with those of perceived higher social status (非正式)(尤指与较高社会地位的人)社交,交往 he was hobnobbing with the great and good. 他与要人与好人交往。
语源
early 19th cent. (in the sense drink together): from archaic hob or nob, hob and nob, probably meaning 'give and take', used by two people drinking to each other's health, from dialect hab nab 'have or not have'