look up any word, like the eiffel tower:
 
1.
Refers to something that is deliciously, or precociously, like Michel Foucault (French philosopher), or like something he would say.
Joe: Knowledge is a function of power.
Bob: That's foucaultious!

also

Joe's five-year-old son: Dad, I feel like my teachers are trying to normalize me.
Joe: That's my son! -so foucaultious.
by Zagaloo November 25, 2009