whats the meat between your thumb and indecks finger called

[IAmGettingAMailOrderBride]

when i was doing stirkes, my martial arts instructor said when i punch dont have the meat there tucked in....
long story short what is that body part called

- blackierobinson

 

[Lootpack]

Cagina

 

[Early 2000s Nikka]

gooch

 

[MikeyC]

smegma