dabble

(v) dip a foot or hand briefly into a liquid
(v) play in or as if in water, as of small children splash around, paddle,
(v) work with in an amateurish manner
- She dabbles in astronomy
- He plays around with investments but he never makes any money
smatter, play around,
(v) bob forward and under so as to feed off the bottom of a body of water
- dabbling ducks

splash around paddle smatter play around

dabbled dabbler