Something is correct or emphasized.
Wow Jim, that answer was Tit-Tastic
by Mike Bill July 10, 2008
Something truly amazing.
Amanda, that blowjob was really tittastic.
by Mark March 22, 2005
Decirbes a person or thing that is boob centric or exposes excessive cleavage.
The shirt I wore yesterday was tittastic.
by minepseudonym November 16, 2011