A "social blunder" refers to a mistake or faux pas made in social situations that can lead to embarrassment or awkwardness. These errors often occur when someone misreads social cues, uses inappropriate language, or behaves in a way that is considered socially unacceptable. Common examples include interrupting someone while they are speaking or forgetting a person's name shortly after being introduced.
Such blunders can happen in various settings, including casual gatherings, formal events, or even online interactions. While they can be uncomfortable, most people understand that everyone makes mistakes, and a sincere apology or light-hearted acknowledgment can often help to ease the situation.