The act of using frozen fecal matter(poo) as a dildo or other sexual aid.
"Dude, me and my girlfriend froze some crap after our scat session last night and I'm gonna totally zum her tonight"
"Zumming is just sick man!"
By Merrily
Zim Zum
Timothy Michael Linton (born on June 25, 1969, in Chicago) more commonly known as Zim Zum, is an American rock musician/songwriter and former guitarist for Life, Sex & Death and Marilyn Manson (1996-1998). His current projects are Pleistoscene, a solo project, and The Pop Culture Suicides, the latter being his main focus for now.