Shower size vs Grower size

Hey buddies, after reading many posts I have a question.

What size is considered to be a shower???, and a grower????

Guglie, it just depends on the difference between your erect and flaccid size. Does your penis go from 2” to 6”, or does it go from 4.5” to 6”? The first is a grower, the second is a shower.

Also, does your willy ever “turtle”? Meaning it retracts until it looks like an acorn. That would be a grower.