M Y L I F E or My Life
This means hilarious
For example:
Person 1: Wanna hear a joke?
Person 2: Sure :D
Person 1: M Y L I F E or My Life
Person 1 then proceeds to commit self kill
Person 1: Wanna hear a joke?
Person 2: Sure :D
Person 1: M Y L I F E or My Life
Person 1 then proceeds to commit self kill