Glossary entry (derived from question below)
Portuguese term or phrase:
pelo na venta
English translation:
moaning Minnie
Portuguese term
Portugal
EN Translator
Native in: English (Variant: UK) 
, Portuguese (Variant: European/Portugal)
Works in: Portuguese to English, Spanish to English
pelo na venta
This is usually said about someone who is always complaining and basically hard to handle.
Thanks in advance for your help!
Proposed translations
moaning Minnie
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Note added at 29 mins (2016-10-29 21:19:17 GMT)
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Of course what springs to mind immediately is "She's got a hair up her a--", but not sure we're allowed to say that here, or if it would be acceptable in your document!
| Thanks Jennifer! I know the second one, but I had the same doubts as you. I love 'moaning Minnie' though! |
Brazil
IT Specialist • M.A. in Linguistics
Native in: Portuguese (Variant: Brazilian) 
Works in: English to Portuguese, Spanish to Portuguese, Portuguese to English, and 1 more.
he's a moany git
https://en.oxforddictionaries.com/definition/moany
https://en.oxforddictionaries.com/definition/git
| Obrigada, Matheus! |
Brazil
What you need is what you get...
Native in: English , Portuguese (Variants: European/Portugal, Brazilian)
Works in: Portuguese to English, English to Portuguese
hard to please / whines all the time
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Note added at 26 mins (2016-10-29 21:16:22 GMT)
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Has a temper...
Portugal
Maria Teresa Borges de Almeida 
30+ years translating EU documents
Native in: Portuguese (Variant: European/Portugal)
Works in: English to Portuguese, French to Portuguese, Spanish to Portuguese, and 1 more.
to have a bad temper, to be a tough customer
| Obrigada Teresa! |
| agree |
Janis Meneses
4 hrs
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Obrigada, Janis!
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| agree |
airmailrpl
: a bad temper
9 hrs
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Thanks, Robert!
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| neutral |
Lara Barnett
: This wold apply if the person's attitude involved anger/frustration etc, as temper implies a more intense emotion is involved.
15 hrs
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Brazil
Fast & Reliable-Good Job & Readiness
Native in: Portuguese (Variant: Brazilian)
Works in: English to Portuguese, Portuguese to English
Discussion
https://www.infopedia.pt/dicionarios/lingua-portuguesa/venta
Dicionário de Expressões Populares Portuguesas