A baby or young child, especially one that is not walking fully or at all (i.e. one that is still crawling on the rug). Primarily heard in US. How are your two rugrats doing, Tom? I earn a bit of extra cash looking after the neighbors' rugrats for a few hours every day.
Sl. a small child, especially an infant or toddler. (Also a term of address.) You got any rug rats at your house? Hey, you cute little rug rat, come over here.
rug ratand ankle biter
n. a child. Hey, you cute little rug rat, come over here. I got three little ankle biters at home.