noun

talk which aims to charm, flatter, or persuade (often considered typical of Irish people).

it took all my Irish blarney to keep us out of court

blandishments,honeyed words,smooth talk,soft words,flattery,cajolery,coaxing,wheedling,compliments,fulsomeness,simpering,fawning,toadying,ingratiation,currying favour,inveiglement,charm offensive,sweet talk,soft soap,smarm,spiel,ego massage,buttering up,cosying up,cuddling up,flannel,guyver,smoodging,glozing,lip salve,cajolement

verb

influence or persuade (someone) using charm and pleasant flattery.

he went overboard in blarneying him into thinking that Joe considered him a nice guy