The middle, mediocre, or normal example in a situation of two opposite extremes. In a group of three, the most even-tempered, least sarcastic, least whiny, etc.
"Julie wears sooo much make-up, it's disgusting. Agnes is such a prude she wouldn't be caught dead with lip balm on. I guess Margaret is just the christymarkwell of this group."
by Liadan March 04, 2007