The act of a male placing a finger in a female's anus during sex. The man does this to read the female's defense of potential anal sex.
"Nick, why didn't you put it in Debbie's ass?"
"When I ran the read option on her she didn't like my finger in her butt. I had to shut it down"
"When I ran the read option on her she didn't like my finger in her butt. I had to shut it down"
by LightEmUpRuRu January 20, 2015