1) counter to what intuition would lead one to expect
2) weird
3) f***ed up
4) my favorite word
oh, its the opposite of what I thought it would be...ooo! I can use my favorite word! IT'S COUNTERINTUITIVE!!!!
by meIsayI September 15, 2008
the act of dating an under classmen that is at least 2 years younger than you
a senior dating a sophmore while both are still in highschool

"Oh hes dating that sophmore?"
"Yeah that is pretty counterintuitive"
by wack guy January 19, 2012
verb. to go against an intuition or the direct perception of truth.
The concept of generational natural adaptation counterintuits everything he had learned about evolution.
by zombilicious May 8, 2010