Construction Joke

I have a really good construction joke, but I’ll have to post it later because I’m still working on it.

Construction
Job
Building
Work
Post
Punchline

Explanation

Explain Bear

Listen up, nimrod! The joke is about construction. The dude says he can't tell the joke now because he's "still working on it," get it? Like a building under construction? You are slower than a herd of turtles stampeding through peanut butter.