(as) straight as a ramrod
US /əz ˈstreɪt əz ə ˈræm.rɑːd/
UK /əz ˈstreɪt əz ə ˈræm.rɑːd/

1.
dimdik, çok düzgün
very straight, especially with reference to a person's posture
:
•
He stood as straight as a ramrod, looking at the general.
Generale bakarak dimdik durdu.
•
Her back was as straight as a ramrod, even after hours of sitting.
Saatlerce oturduktan sonra bile sırtı dimdikti.