Skinny penis is another playground insult terms for a Weak penis that doesn't have any energy and will passed out after 3 second when you trying to make some woo woo on the trampoline with your sex partner Worst than pussy Or when your friends just want to insult you.
"Ugh! You skinny penis!"
"Did you just cum when i litteraly taking of my socks?!?? You skinny penis"
"Look at him! Such a skinny penis!"
"Don't be such a didly wonker skinny penis"
"ei, you muthafucka dont cha raising ur voice at me, skinny penis"