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Awful; very poor in quality. I've always been lousy with spelling. I've just never cared enough to learn it properly. Wow, the food here is really lousy.
lousy with (something)
Having an abundance of something; having more of something than one needs or knows what to do with. We don't need another accountant—we're lousy with accountants! What we need is someone to overhaul our social media presence. My grandmother was obsessed with taxidermy, so her house was lousy with stuffed bodies of various animals.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
lousy with someone or something
Inf. having lots of someone or something. (Like an infestation of lice.) Old Mr. Wilson is lousy with money. Tiffany is lousy with jewels and furs, but she's got bad teeth.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
Abundantly supplied, as in He's lousy with money. Like louse up, this expression alludes to being infested with lice. [First half of 1800s]
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.
mod. rotten; poor; bad. This mushy stuff is lousy. Do I have to eat it?
lousy with someone/something
mod. having lots of someone or something. (Like an infestation of lice.) Tiffany is lousy with jewels and furs, but she’s got bad teeth.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.