"dabble" in the verb sense
dip a foot or hand briefly into a liquid
2. dabble, paddle, splash around
play in or as if in water, as of small children
3. dabble, smatter, play around
work with in an amateurish manner
"She dabbles in astronomy"
"He plays around with investments but he never makes any money"
bob forward and under so as to feed off the bottom of a body of water
Source: WordNet® (An amazing lexical database of English)
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