Late 20th Century; A form of cunninglingus, wherein one forms an "O" shape with his/her tongue in order to perform cunninglingus on a female to the point of orgasm, so that when the woman begins to get wet, the person performing cunninglingus can suck up all of the woman's cum into his/her mouth. This name comes from the shape of a joint, which contains marijuana, another word for it being "reefer".

the thing that you don’t have when you’re phones percentage is over 20