Tender Parts 

Fatty area in between your armpit and body, commonly seen on adolescent Jewish males

"Ow you hit my Tender Parts kitty"- Robby 2018

Tender Parts by Dont_Say_No-Homo June 29, 2018

take a butterfly knife to your tender parts 

what the father of a teenage girl does to you if you hurt his daughter.

Angry War Veteran Father: "If you hurt her, I will take a butterfly knife to your tender parts."
Frightened Teenage Boy: "Yes sir, I'll have her home by eight."

take a butterfly knife to your tender parts by ThisIsGoingToHurt March 24, 2009