Ralass means to calm down and relax before you catch a heart attack in front of your Mother.
Ralass (Ruh-Lass) Bruh, you acting like your never gonna see another Girl again.
When something bad is about to happen but its funny at the same time.
Person 1: Hey I need your help I have a problem
Person 2: ruh
Person 1: yes I am
If you say it too a girl it means you would fuck her
Yesterday i walked up to hannah and said “ruh ruh” because shes a sort