Re:UCSF Endocrinologist debunks "Calories In / Calories Out"...
by _pius on Saturday January 09, 2010 @05:01PM
(#1042048)
It is a homophonic pun.
The associated Wikipedia article is pretty fascinating: http://en.wikipedia.org/wiki/Pun
It's not really a pun. "Execrate" and "excrete" aren't related. (Sorry for the distraction; I find these things interesting.)