Top Definition
When a man is having sex or getting blown, and a cow then proceeds to defecate on both member's chests.
"Man, I heard you got a Montana Ranch Cow Pie, last night on he cow farm, did you get rid of the smell?"
#shit #cow #sex #farm #ranch
by Jew-Pac Girly-Man April 21, 2009
5 Words related to Montana Ranch Cow Pie
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