Glossary entry (derived from question below)
English term or phrase:
had their panties in a twist (over him)
Portuguese translation:
tivessem virado a cabeça (por ele)
English term
United States
BA in Transl., MA in ESL, 15 yrs of exp.
Native in: Portuguese 
Works in: English to Portuguese, Portuguese to English, Spanish to Portuguese, and 2 more.
had their panties in a twist
"When our eyes met, a shiver rippled through me. No wonder so many women had gotten their panties in a twist over this man."
Qual seria uma boa expressão em PT-Br? Obrigado!
Feb 8, 2018 15:16: changed "Kudoz queue" from "In queue" to "Public"
Proposed translations
Brazil
Technical translations
Native in: Portuguese (Variant: Brazilian)
Works in: English to Portuguese, Spanish to Portuguese, Italian to Portuguese
com a cabeça virada
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Note added at 15 minutos (2018-02-08 15:31:51 GMT)
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*ficaram com a cabeça virada
Mal sabia eu que já estava apaixonada/ E sem você eu fico com a cabeça virada
| agree |
Gabriel Santos
1 hr
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Obrigado, Gabriel :)
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| agree |
Raquel Holzmann (X)
21 hrs
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Obrigado, Raquel :)
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United Kingdom
Marketing, Business, Lit. & Localization
Native in: Portuguese
Works in: English to Portuguese, Portuguese to English, Spanish to Portuguese, and 1 more.
se tenham deixado afetar
Brazil
Making connections with Portuguese words
Native in: Portuguese (Variant: Brazilian)
Works in: English to Portuguese, Spanish to Portuguese, Portuguese
ficaram irritadas/chateadas
To become overly upset or emotional over something, especially that which is trivial or unimportant.
Ah, don't get your panties in a twist, I'll have the car back by tomorrow morning!
Uma expressão equivalente, mas que não é tão vulgar:
get your knickers in a twist
uk informal humorous
to become confused, worried, or annoyed about something
Não acho que exista uma expressão assim em PT-Br... Bom, eu pelo menos desconheço.
Portuguese to English, English to Portug
Native in: English 
Works in: Portuguese to English, English to Portuguese
ficaram abaladas
Brazil
German, English, Spanish to Portuguese!
Native in: German (Variant: Germany) , Portuguese (Variant: Brazilian)
Works in: German to Portuguese, English to Portuguese, English to German, and 2 more.
ficaram p da vida
Mexico
Apps, Metallurgy, Production and Lean
Native in: Portuguese
Works in: English to Portuguese, Spanish to Portuguese, English to Spanish
Discussion
Abaixo, colo a definição do termo em inglês para os colegas que possam estar confusos:
get (one's) panties in a twist. To become overly upset or emotional over something, especially that which is trivial or unimportant. - The Free Dictionary
"During my college years, I might well have thoughtlessly tumbled into his bed. From his penetrating gaze to his aura of control, from the sensual curves of his full lips to his flawlessly fitted tux, everything about him radiated power—and sex."