This happened minutes ago. 

A friend told me that she knew someone who worked with me. The name and picture were not familiar to me so I took it on myself to find out who this person was. So I found out who, and we started chatting. She asked me if I lked it and stuff like that and I said; "yes, but there is this one manager no one likes, literally no one can stand her. She's a bitch" low and behold the next message I get from this person is "that's my mom". I immediately start freaking the fuck out, as I love my job and it just suddenly became on the line. I quickly apologized and said I didn't really mean it, but I'm so scared for my job come when I work next. TL, DR: told my bosses daughter that i didn't know it was her daughter that her mom is a bitch and now I'm scared for my job