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1. A person who rings someone's doorbell (usually a friend) and waits longer than a minute for that person to come to the door, and sometimes sits on that person's porch.

also:

2. A person who rings the doorbell knowing someone is home, and if no one answers the door, rings it again and waits until someone finally answers.
Person rings doorbell
*waits for two minutes*
Next door neighbor: Um, I don't think they're home. You porch potato.

OR:

Person rings doorbell
*waits for two minutes*
*sighs*
Person rings doorbell again
*footsteps*
Neighbor: Yeah, what do you want, porch potato?
by RaNdOmguurl October 28, 2010
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