Thafy Mania is a phenomenon that suddenly takes control of you when in the presence of an awesomeindividual.
People affected by thafy mania are reffered to as maniacs.
Example1:
Person1 - Man did you go for the xmas party?
Person2 - Yes i did dude! Thafy Mania was running wild!
Person1 - Can you believe there are so many maniacs out there?
Example 2:
(Party starter to crowd) - What you gonna do.. when Thafy Mania runs wild on you?
Short for "Thank You For Your Service"
A phrase used when addressing a volunteer fireman/EMT usually by a paid firefighter or medic.
Usually snarky, judgmental, and sarcastic in nature.
Look at that guy with the Mainville Volunteer Fire Department "dragon slayer" shirt on. *walks up* "TYFYS - THANK YOU FOR YOUR SERVICE!"