Dinky Dog 

Is a small dick, cock, penis

Once I caught my cousin jerking off, the next morning during breakfast a began to taunt him about his dinky dog.

Dinky Dog by sheshegirlrulestheworld April 21, 2011

dicky dog 

puppy dog

“aww look at that dicky dog”
“isn’t that a puppy?”
“no it’s a dicky dog”

dicky dog by crabsenpai June 27, 2021