A version of the renowned and loved David Attenborough, used best to describe someone who has, or is undergoing, the process of shitting oneself, as the faecal matter currently deposited in their underwear contains various undiscovered and undocumented lifeforms, much like the one's David Attenborough discovers in his wildife documentaries.
*James shits himself violently*

Ben; Eugh gross, James just shat himself!

Matt; haha, what a David Shattenborough!
by CompulsiveDribbler304 April 8, 2011
Get the David Shattenborough mug.