Jermo Sunc 

The "Jermo" part stands for Violence, while the "Sunc" part stands for (see the definition of Sunc by thesuncman.)

In other words, a violent elderly person.

Example: Dang! Grandpa, you're a jermo sunc! (grandpa kills 72 people breaking into his home with an M60)

Jermo Sunc by TheSuncMan June 2, 2025