Verb. The action of a dude spreading his seed across no less than three states. This may be accomplished by actions such as a road trip. The vehicle of choice is a van, granted a bicycle and a dumpster in the back alley will suffice.
Disclaimer: It must be a different women per state. "Women" in Montana don't count due to their manliness. Animals don't count. Family members don't count.
Bryan and I are going to johnny appleseed this summer on our coast to coast road trip.
A man who doesn't wear condoms when having sex with women he hardly knows. Derived from the expression of how a man "plants his seed" to impregnate a woman. "Johnny Appleseed" can also be used to refer to a man who has many children by many women.
"Mike refuses to wear rubbers with any chick he has sex with. He's a regular Johnny Appleseed."
"Levon has baby mammas all over town. He's a regular Johnny Appleseed."