What is Ittf?
1.
I think that's funny.
A response to something very funny, worth laughing at, but not quite rolling on the floor laughing
Can be used both online and in general conversation.
Brandon says: Why did the fish get kicked out of school?
Tara says: I don't know why?
Brandon says: Because he was caught with seaweed.
Tara says: Oh man hhahah ITTF!!
See
2.
International Table Tennis Federation. It is the highest governing body of the sport of Table Tennis. It is led by representatives from England, Germany, and Hungary.
In 2000, the ITTF instituted several rules changes aimed at making table tennis more viable as a televised spectator sport.
See