To wet by little dips or strokes; to spatter; to sprinkle; to moisten; to wet.

dip a foot or hand briefly into a liquid

To work in slight or superficial manner; to do in a small way; to tamper; to meddle.

work with in a non-serious manner; "She dabbles in astronomy"; "He plays around with investments bu he never makes any money"

using small irregular amounts of drugs in a non-dependent manner

To play in water, as with the hands; to paddle or splash in mud or water.

play in or as if in water, as of small children

The tipping (bottom's up) of ducks to reach weeds growing under the surface of the water. Not all kinds of duck do this.