Tinker \Tink"er\, v. t. [imp. & p. p. {Tinkered}; p. pr. & vb. n. {Tinkering}.] To mend or solder, as metal wares; hence, more generally, to mend. [1913 Webster]
Tinkering \Tink"er*ing\, n. The act or work of a tinker. [1913 Webster]
23 Moby Thesaurus words for "tinkering": coquetry, dabbling, dalliance, dallying, fiddling, flirtation, fooling, fooling around, idling, jerking off, kidding around, loitering, messing around, monkeying, monkeying around, piddling, playing, playing around, pottering, puttering, smattering, toying, trifling