also: へえこら
noun or participle which takes 'suru', intransitive verb, adverb, adverb taking the 'to' particle
Colloquial onomatopoeic expression for obsequious flattery, often with a sense of groveling or insincere praise. Used adverbially with と or as a する-verb.
彼は上司にへいこらしている。
He's buttering up his boss.
あの政治家はいつも有権者にへいこらと頭を下げている。
That politician is always fawning over voters with a bow.