To cause something to become stronger or more intense. A noun or pronoun can be used between "goose" and "up." Based on how loud it is, it sounds like he really goosed up his car engine. This sauce is just so bland—what spice can we add to goose it up?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
To improve the performance of something; make something more intense, powerful, or remarkable: Goose up the engine and we'll be on our way. You could goose the pie up with some nutmeg.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.