A drunken, atempted to tip a cow from the standing position on to it' s side and/or back. Most often another exscuse to go out and get even more hammared.
Judd: Hey buud lets go cow tippin'
Stan: Alright, I'll swing by and grab some more beer from sal's.
Judd: Okay... (grabs 1/2 of 24 pack and tosses in bed of truck)
When you're on vacation (or out of town), you fuck a chick and you tip toe out on her in the middle of the night or the next morning. Usually done to Fat or Socially unattractive chicks.