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Related to onion: tor
a lonely little petunia in an onion patch
One who is out of place among those one finds unpleasant, uncouth, or overly aggressive. Taken from a 1946 song of the same name by Johnny Kimano, Billy Faber, and Maurie Hartmann. I'm feeling really uncomfortable in this rowdy sports bar, like a lonely little petunia in an onion patch.
know (one's) onions
To be very knowledgeable or skilled in some area. Primarily heard in UK, Australia. I think Nicole is our best candidate for the job—when it comes to corporate accounting, she really knows her onions.
peel the onion
To expose the different various layers of something. Once the investigator started peeling the onion, he discovered just how many illegal operations the organization was involved in. You need to peel back the onion and find out what's really bothering Gina, because I doubt it's just the fact that you were late.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
know one's stuffand know one's onions
to know what one is expected to know. I know my stuff. I can do my job. She can't handle the assignment. She doesn't know her onions.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
know one's stuff
Also, know one's onions. Be experienced or knowledgeable in one's field or in the matter at hand. For example, Patrice knows her stuff when it comes to Mexican history, or We need a handyman who knows his onions. The allusion in the variant is unclear. [First half of 1900s]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
know your onionsBRITISH, OLD-FASHIONED
If you know your onions, you know a lot about a particular subject. She really knows her onions in the historical field. Note: This may derive from the rhyming slang `onion rings', meaning `things'.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
know your onionsbe fully knowledgeable about something. informal
Onions is perhaps short for rhyming slang onion rings , meaning ‘things’. The phrase dates from the 1920s.
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