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."