"Cold shoulder" is a phrase used to express dismissal or the act of disregarding someone. ... Overall, it remains widely popular as a phrase for describing the act of ignoring someone or something, or giving an unfriendly response.
Why you giving me cold shoulder meaning?
to intentionally ignore someone or treat someone in an unfriendly way: I thought she really liked me, but the next day she gave me the cold shoulder.
Where does the phrase give someone the cold shoulder come from?
The aforementioned guides informed us that the phrase to give someone the “cold shoulder” originated from Shakespearean times, when an unwanted houseguest was served the shoulder of whichever animal was being eaten, which was the coldest, toughest part.