Intro
Hi this is a replica of the subreddit of the same name. Small disclaimer: I never intended to be the creator or moderator here, I just was sick of waiting for someone else to do it. :)
Rules
...they'll just pick up the drugs with their other hand
I feel like you missed the "money" part. The joke isn't that they can't hold drugs and a wrench at the same time, it's that they can't afford to fix trucks and buy drugs at the same time. It's honestly not a terrible meme, it reads like a truck fanatic poking fun at themself for having a money pit for a hobby.
Ya, this same joke is said about warhammer figures.
I've heard it for MTG cards, classic cars, etc. It's a generic "Dang this is an expensive hobby" joke.
I knew someone would get the reference!
Can't do drugs if you get run over by a truck driver that never even saw you.