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4.
Is the Confirmation of several facts. In so far as ditto is the confirmation of one fact.
She says:" I love you, I need you I want you."

He says:" Titto! "
by RC and Jeanette May 16, 2011
 
1.
Attractively shaped breasts, particularly very large ones.
an attractive woman with DDs (and up) walks by.

You, to friend: "Dude, tittos."
by Annihilationscape January 21, 2009
 
2.
Another word for the teet, and also a defiling name for a fat person.
"The Titto(s), descended past her waist and slapped against her knees whenever she walked. "

"Go suck your mom's teet, Titto!!"
by that_guy, November 11, 2010
 
3.
It means you agree with something sex-related.
"Man, I'd "hippo" her "potamus"!" "Oh, titto."
by Robert Del Fonté December 18, 2007