Noun - A minute portion of poo matter.
Released with ass gasses these small poo particlescontaminate the atmosphere. Entraping these in someone’s pillow may result in Pink Eye.
when you think you did a little, harmless fart without any force but it leaves a little 'residue' on clothing (or wherever you are sitting/ lying down) aka 'fart particles'
uh-oh... I'd better go to bathroom, that fart was worse than I thought - I'm detecting farticles.