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When you're herping the derp by derp derping around. Usually done on the internet.
Person 1: Why didn't you answer my call?

Person 2: oh sorry i was busy derping around.
by Bobby Boosha January 12, 2011
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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2
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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3
(v) to derp all over oneslef in a disgraceful manner; to be physically inadequate
"Now you're just derping all over yourself"
by Sherpadurpppay May 07, 2010
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