(N) The non-seminal fluid which accompanies semen during ejaculation. Men who have undergone a vasectomy on ejaculation only produce this fluid on its own.
Grandpa: I remember when I was young and my spunk used to be like shooting wax darts, but then the wife made me have a vasectomy and now it's just fuckin tatty water.
by WildBeast88 November 08, 2010
3 more definitions
Any five figer shuffler will know.
I have digital telly so I can chuck my tatty water at will.
by jadio u no August 14, 2003
A common name for prebuscent ejaculate, before the testies have begun to preduce sperm.
what do you mean shag her, you're only shooting tatty water!
by mellowman April 16, 2008