The insertion of a connecting pipe between two peoples anus's (preferably a clear pipe) and the passing of turds back and forth for sexual gratification.
Do you fancy something different tonight darling? On urban dictionary I found something called Chunneling
by Lee Bullock- MulletHunter September 10, 2003
Similar to felching, but in addition to ejaculating into your anus you insert powered milk in as well to mix with the semen, then by use of a straw suck it out.
by Lee Bullock- MulletHunter September 10, 2003