Chuggadump
Chugga Dump ( aka Chugga Choo Choo, Spank and Shank) is when one cleverly consolidates two bodily functions; the chugga (masturbation) and the dump (faecal excretion), into a single manageable and time saving activity.
Jamie: Hey Billy! I seem to be in quite the pickle; I have the thorough desire to spank the ole' capuchin monkey but I also have a mammoth sized jobby rammed right up my rectum and I have work in seven minutes, what ever will I do?
Billy: You my friend need to CHUGGADUMP
Billy: You my friend need to CHUGGADUMP