The practice of using multiple accounts and/or logins to manufacture the appearance of Internet Fame. The term recently jumped into meme lexicon because of a series of posts by a younger gamer named "plops" that was so transparently bad at cheerleading himself with his own forum logins, that he was laughed off the forums by most of its readers.
Douchebag 1: Hey, I'm douchebag 1! I'm famous for (fill in pointless internet thing nobody cares about).

Douchebag 1's anonymous login: Yeah he is famous for that! He's da greatess evar!!!

Everyone: Man, stop the plopping samefag.
by Zofryer October 23, 2008
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That annoying problem most gals have during their menstrual cycles resulting in the urge to poop.
"Do you get the blehs or the plops during your monthlies?"
by PyroKimmi October 9, 2016
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1. (v) To vomit as a result of smoking a particularly strong or robust cigar on a stomach full of fast food.
2. (n) The resulting pile of said vomit.
1. Hardee's was a bad idea...it made Hicks plop.
2. Dude, remember last night? That...plop is still there!
by Michael Hicks September 25, 2006
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any articles of clothing or electronics or consumer goods that are for sale at half price because they were obtained by shoplifting.
i got hella plop for sale, why you wanna pass it up?
by jdiesel72 December 26, 2011
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1. to fall asleep
2. the sound you make when you collapse on to the bed
I'm gonna fuckin' plop when I get home.
by pete5 February 2, 2007
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