die Socke
sock
A piece of clothing worn on the foot, usually under shoes.
Ich finde die zweite Socke einfach nicht.
I simply can't find the second sock.

sock
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sock
A piece of clothing worn on the foot, usually under shoes.
Ich finde die zweite Socke einfach nicht.
I simply can't find the second sock.

The idiom 'von den Socken sein' (to be blown away) is a fixed unit and means 'to be very surprised'. The person who is surprised is the subject of the sentence together with the verb 'sein' (to be).
Als ich den Preis sah, war ich total von den Socken.
When I saw the price, I was totally blown away.
The expression 'von den Socken sein' (to be blown away) is very colloquial. It is often used in informal conversations among friends or family to express strong amazement.
Du glaubst nicht, wen ich getroffen habe – du wärst von den Socken gewesen!
You won't believe who I met—you would have been blown away!
In the literal sense, 'Socke' (sock) is often used in the combination 'ein Paar Socken' (a pair of socks), since socks are usually worn in pairs. Other typical verbs are 'Socken anziehen' (to put on socks) or 'Socken stricken' (to knit socks).
Ich brauche dringend ein neues Paar warme Socken für den Winter.
I urgently need a new pair of warm socks for winter.
stockings / socks
'die Socke' and 'die Strümpfe' both refer to items of clothing for the feet. A sock is usually shorter and is often worn under shoes in everyday life. 'Strümpfe' is the plural of 'Strumpf' and often means longer items of clothing that can also cover the lower legs or legs. In everyday life, short foot coverings are usually called 'Socken'. 'Strümpfe' sounds more precise when they are longer or are worn with a skirt, dress, or more formal clothing. Learners may confuse the words because both are worn on the feet.

Nach dem Sport war eine Socke in meiner Tasche verschwunden.
After sports, one sock had disappeared in my bag.
Zu ihrem Rock trägt Anna heute schwarze Strümpfe.
Anna is wearing black stockings with her skirt today.