Like most poets I start with the funny line and work my way backwards. I also try to include words that I know will strike a cord with the reader, like "turd." This is based on my Spider Safeword t-shirt design (you can find it in my SHOP.)
Spider Safeword by JARHUMOR. GET THE T-SHIRT.
Stare of the Space Spider!
Spider Website. GET THE T-SHIRT.
Don't Bug Me While I'm Doing Science! GET THE T-SHIRT.
Looking Fly All The Time. GET THE T-SHIRT.