"Things You Wouldn't Know If We Didn't Blog Intermittently."
This is true even when informally learning a language by speaking - you learn all the bad words early on.
You can recognize some of the hand expressions without knowing ASL. and I learned a couple of new hand signs.
One of the best things I've ever seen is this video of Louie CK performing at a benefit for the League for the Hard of Hearing, where he basically throws out his act and starts interacting with the interpreter. It gets going about six minutes in. https://www.youtube.com/watch?v=33ZYE73QRxA