Having sex with pregnant women but your not the father of the baby.
I'm going out Watermelon Farming at the local lamas class and see what I can pick up.

That is a Watermelon Farmer
by SWMO GTH October 24, 2014
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a person that only has sex with women over 300lbs
Good God, did you see the size of that girl Pat was with last night...boy is he a watermelon farmer!
by william shatnered January 3, 2011
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