n. (kuh-RON-chu-land-er)
1. a person who acts opposite of the way others want or expect.
2. a person whose actions compromise others' abilities/interests when they are trying to carry out an activity.

Usually the person in question will be a defector from a larger group and will make a decision that detracts from the fun of the rest of the group.
Montangelo didn't come with us to mess with foreigners because he's being a carontulander right now.
by BaloolaB July 24, 2010
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