shrinky dinks 

Product for children. Sheets of shrinkable plastic that can be colored in and cut out. Most important think is that after baking in an oven they shrink few times of its original size.

I remember that I made Christmas toys with Shrinky Dinks when I was in elementary school.

shrinky dinks by Piotr Nowicki June 27, 2007

Shrinkly Dinks 

When you’re in the water for too long & the skin on your finger tips (& other things...) shrivel up.

Because Michael was in the pool for hours, he now has Shrinkly Dinks

Shrinkly Dinks by QueenLovexo June 10, 2018

loose lips shrink dicks 

1. an expression implying that knowing to much about an activity, situation or person tends to discourage one from involving himself with it, often related to sexual encounters

see also zipless fuck

2. a truism

3. a parody of loose lips sink ships

After Elliott told Devin that Kittyboot's friend from Philly had roast beef curtains, Devin replied, "Buddy, thanks for warning me... loose lips shrink dicks."

loose lips shrink dicks by Elliott July 18, 2005