What is Shower Gumby?
1.
When a person intentionally plays with his wiener to make it seem like he has a bigger-than-normal penis in the locker showers
kid 1: "Man did you see the size of Richards wang? It was massive!"
kid 2: "He doesnt really have that big of a penis, he just gave himself a shower gumby."
See
Random Words:
1.
In short it is a package(penis and testicles, 3 parts, hence 3 piece)
I have a 3 piece grab bag
See 3, piece, grab, bag, package..