What is Isoti?
1.
"I’m Smiling On The Inside"
'often spoken with a blank/emotionless face, making this a popular phrase amongst the Emo scene, or used to avoid times of comic confrontation where all humour is lost but a response may still be expected such as escaping the awkward situation where you need to laugh at an uncle's lame joke'
"ISOTI" for any time when things truly arn't worth a "
LOL " or "ROFL "
See