A tool is a word that was created for the purpose to insult someone so badly, yet without swearing.
A tool means you are the exact opposite of a hard wear tool because you are useless and sell me in 2k and COD
Arjoon: You are a tool why tf are you selling me and dropping at train station
*Arjoon talking to himself bc he's a tool*: whoopsie daisy I'm sorry
*Someone sells me in 2k* they are a tool
you are nothing but a useless tool