2) Usually a girl, but not exclusively, who continually dates unsuitable people and hence bags tools. Therefore they are a tool bagger. I.e they are collecting tools.
3) An individual within the tool manufacturing industry whos job it is to bag the tools. E.G they must bag all the tools into a tool kit before sale to the public.
"Dude he is a tool bagger"
2)"have you seen who Janice is going out with now. he is such a loser!"
"Yeah Janice is such a tool bagger"
3)"Hey man nice to meet you, what do you do?"
"Ah not much, by day i'm a tool bagger"