TISI

A slang term used by the indie music scene that stands for "That (or this) is so indie"

Wow you got an autographed LP backstage at Bumbershoot from the Shins? TISI!

Rush fi tisi

An Arabic phrase that translates to "Rush into my ass". It's used in different situations, one of which when you want to somebody to shut up

- What do you want habibi?
- What do I want? Rush fi tisi! You do know what I want!

'tisies

A group of autistic people, derogatorily or familial.

Guy 1: Whats up 'tisies!
Guy 2: Come on we asked you to stop calling us that.