rug rat 
noun North American informal
A child: it’s the TV-linked toys that the rug rats crave...
- So I decided I would help him take care of the little rug rat while he went.
- If you're tired of tripping over your rug rat, why not get out of the house for a few hours with your little ray of sunshine?
- John Lithgow is equally hilarious as the finance-loving ex-husband and bad father saddled with a much younger trophy wife and manic rug rat.
- water strider
- water-swallow
- water system
- water table
- water tablet
- water tabling
- water-target
- water taxi
- water telescope
- water therapy
- water thermometer
- water thief
- waterthrush
- water thyme
- water tick
- water tiger
- watertight
- watertight compartment
- watertightness
- water toad
- water toll
- water toothpick
- water torch
- water tortoise
- water torture