take a bite out of something
take a bite out of (something)
1. Literally, to remove a chunk from something with one's teeth. Ew, I don't want this apple—you've already taken a bite out of it! I took a small bite out of the slice of pizza, mindful that I might burn the roof of my mouth. The lion took a bite out of Tom's leg!
2. To reduce something by eliminating, completing, or removing part of it. The police are encouraging citizens to take a bite out of crime by reporting suspicious activity. I'm hoping to take a bite out of this project by Friday night so I don't have so much to do over the weekend.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
take a bite out of somethingAMERICAN
If something takes a bite out of a sum of money or other quantity, it takes away a part of it. There will be higher taxes, so they will be taking a bigger bite out of people's income than before. But some of us, myself included, think we ought to have additional cuts in order to take a bigger bite out of the deficit.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012