tinker
tin-ker
noun
(Historical, often derogatory) A travelling mender of household items like pots.
"Historically, a tinker repaired pots and pans."
verb
To make small adjustments or repairs to something in a casual way.
"He loves to tinker with old engines."
Thesaurus
Synonyms: muck about, putter, muck around, mess around, potter, monkey, monkey around, chub mackerel, Scomber japonicus, tinkerer, fiddle