|1.||(NSFYM) Not Safe for Your Mom|
A word, phrase or thought that is likely to embarrass, fluster or even cause a mother to cry
Ed: I want to post to Twitter, but your mom follows me and this comment is definitely NSFYM.
Andy: NSFYM? And why does my mom follow you?
Ed: Yeah, (NSFYM) Not Safe for Your Mom. And, um, can you repeat the second question...