hobnob [hob-nob] /ˈhɒbˌnɒb/ Show IPA verb, hobnobbed, hobnobbing, noun
verb (used without object)
to associate on very friendly terms (usually followed by with
She often hobnobs with royalty.
Archaic. to drink together.
a friendly, informal chat.
1595–1605; from the phrase hab or nab literally, have or have not, Old English habban to have + nabban not to have (ne not + habban to have)