The act of viewing (and downloading) large amounts of pornographic material on the internet in one session.
Gabe: "During one of my porn harvests, I´m pretty sure I found a picture of my wife."

Tycho: "God, just let me.... Whoa! Does she really do that?"

Gabe: "Not when I´m around."
by giawork January 29, 2011
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Videos and/or pictures revealing surprisingly large yields of vegetables (typically root vegetables or tubers) that generate a certain level of titilation when observed.
"Holy crap: look at the size of those potatoes!"
"Oh my gosh, this is SO harvest porn."
by Mickleberry May 4, 2019
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