expression, ichidan verb
take a cut; skim off the top; take a kickback
Colloquial expression for taking a portion of money, often illicitly or as an unofficial commission. Literally 'to flick off the front/top portion'.
あの仲介人は取引の上前をはねているらしい。
That middleman seems to be taking a cut from the deal.
政治家が公共事業の上前をはねていたことが発覚した。
It came to light that the politician had been skimming off public works projects.