The act of sticking one's thumb into a butthole as to ascertain poop on one's thumb. Swirling said thumb in a circular motion, just like the stick is used in a cotton candy machine.
"Yo bro, I totally gave some skank The Cotton Candy Machine last night and ate all of it" -Kyle
"Gross." -Fred
"Gross." -Fred
by GRMCE November 17, 2011
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