Definition of brain sucker in English:

brain sucker

noun

  • 1A person who takes credit for or benefits undeservedly from the intellectual labour of others; a plagiarist, a parasite.

  • 2A person who or thing which feeds on brain matter; (hence) something regarded as harmful to the intellect.

Origin

Late 18th century. From brain + sucker.

Pronunciation

brain sucker

/ˈbreɪn ˌsʌkə/