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To hoist someone or something up to a higher point. A noun or pronoun can be used between "boost" and "up." I boosted up my daughter so that she could get a better view of the giraffes at the zoo. Boost me up so I can spy on them through the window! Boost up that box before it falls.
1. verb To share particular information online in order to raise awareness of it or expose it to a larger audience. Hey, will you signal boost our charity event this weekend? If you retweet those trolls, you're just signal boosting them, and that's exactly what they want.
2. noun An increase in the awareness or exposure of particular information online, typically achieved through the sharing of it by someone with a large following. Hey, if you could share our charity event, you could really give it a signal boost. Don't retweet those trolls—you're just going to give them the signal boost they're looking for.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
boost someone up
to give someone a helpful lift up to something. She boosted me up so I could get into the window. They boosted up the child for a better view.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
1. tv. & in. to steal or shoplift something. (Underworld.) He specializes in boosting meat for resale.
2. tv. to praise or hype someone or something; to support someone or something. She is always boosting some cause.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.