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1.
the milk aquired from a ladies booby.
"oh shit sam, you just squirted your titty milk in my eye, daaaaaaam, tastes good tho."

by superjim June 13, 2007
 
2.
an adjective describing something that is totally awesome.
Dan - Hey, you ever watch The Notebook bro?

Jeremy - Yeah dude that movies fucking tittymilk.

Dan - Word.
by JaredTheWizard28 August 18, 2009
 
3.
milk from a milk carton. :D
- megan said, "dude, you know what!? you suck milk!"
- rofl, other megan then said, "wtf. titties?"

so; titty milk comes from milk cartons you get at school. :)
by rofl, who now? oh, meg. :D February 24, 2009