waste food (to be) thrown out, fed to pigs etc; rubbish, refuse (of any kind); useless or wrongly programmed data

refuse, litter

something left over; spare piece

odds and ends

a small (usually unwanted) piece; a small amount

tiny bit of something

irregular; happening in, affected by, spasms

twitching, erratic

happening occasionally

on and off

various small items

odds and ends