crack to sacker
a girl than performs annilingus "rimming" while in the process of giving a comprehensive blowjob that includes the balls (in other words, sticks her tongue around and in the anus after licking and sucking the balls, and then back again, while always keeping the cock in play. The drill:cock, balls, ass--wherever the mouth isn't, the hands are
"Man, I knew that girl was wild, but I wasn't expecting her to be a crack to sacker"