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Kevin, upon seeing the large quantity of lasers, began derping.
by Kat the Scalie December 03, 2020
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Being scared while coughing
Oh my god! Call 911, Kevin is derping so hard
by Nizibishi December 04, 2020
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To be coughing and scared at the same time.
All that derping for nothing... it all worked out in the end.
by Dalektic December 03, 2020
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1. Internet slang for trolling.
2. In traditional gaming jargon, engaging in a discussion that goes way outside likelihood or canon without any serious intent.

See also derp.
1. Do you actually believe that Twilight is the best ever or are you just derping?

2. "You were saying Wizards of the Coast will bring back halflings as the true beloved of Ao?" "Nah, I was just derping."
by Shaviv January 20, 2009
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When you're scared and coughing
Kevin was derping through his experience with lasers in a game
by thederpmister December 03, 2020
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