n.
1.a person who enjoys fixing and experimenting with machines and their parts
2.an itinerant Gypsy
3.a traveling repairman who mends broken things (such as metal household utensils)
4.small mackerel found nearly worldwide tinker v.
1.do random, unplanned work or activities or spend time idly
2.work as a tinker or tinkerer
3.try to fix or mend