feed on

Related to feed on: seek out, passed on, fed off

feed (up)on (someone or something)

Literally, to eat or consume something for sustenance. Ugh, as soon as I go outside, I feel like the mosquitos are just feeding on me!
See also: feed
Farlex Dictionary of Idioms.

feed (up)on someone or something

to eat someone or something. (Upon is formal and less commonly used than on.) They say that some Bengal tigers feed upon people. They feed on anything that moves.
See also: feed, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

feed on

v.
To be nourished or sustained by something. Used especially of animals: Pigs feed on corn husks.
See also: feed, on
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • back at it
  • back at it (again)
  • be on (one's) back
  • be on somebody's back
  • be on someone's back
  • back onto
  • back onto (something)
  • a thing
  • a whole thing
  • a fire extinguisher