The meaning of the Acronym TIS is...

TIS is

• Together In Song

More Meanings For TIS:

• Tile set (MahJongg 3.0)
• Trot Import Station
• Technical Information System
• Terminal Indicate Secondary
• Televic Interpretation System
• This Is Simple
• This Idea Sucks
• Tool Induced Shift
• Tertiary Information Service
• Textbooks Is Stupid
• The Incredible Slaughters
• Twenty Inches Strong
• Topic, Importance, and Speaker
• AICPA Technical Practice Aids
• Transaction Information System

TIS is also in:

• Accounting
• Adults
• Chat
• Electronics
• File Extensions
• Funnies
• General
• Networking
• Software
• Toastmasters
• Universities