1) Some one who is more than a tool
, They just keep adding more things to make them more of a tool
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.