1- left over particles of feces lingering at the bottom of the toilet, nearly unflushable and as
fine as silt. 2- Small particles of shit and or toilet paper or other very small pieces of anything lodged in your ass crack after wiping, usually discovered when washing your
ass-crack during a shower.
"I tried to
flush away the remaining shiticles before my
girlfriend came over, but they just wouldn't dissipate."
"I had shiticles lodged in my
ass."
"The shiticles in my underwear ended up staining them."