i aints never eat da ass befoe
But I'm not opposed to it. I've come as close to it as a person physically can. I should have just done it. She was so, so clean.
Do you all ask the person before you do it for the first time? Or do you surprise them and hope they are into it?
Asking permission is a turnoff for anything sexrelated. You gently go for it, and if your partner doesn't like it, she/he will let you know.