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3 definitions by Madelaine

 
1.
Someone you are casually dating, while seeing others on the side. This person is almost always someone you would never consider dating exclusively, but, you keep around as a backup plan for free Saturday nights.
Maria: Oo, the new guy in Calculus is cute!

Virginia: Wait, I thought you and James were dating?

Maria: No, no, we're just insignificant others.
by Madelaine June 13, 2006
 
2.
Typical response when someone mishears a word. This phrase lets the person know that they have, in fact, heard wrong, and, that they are quite stupid.
Did you just say "Tiny poodles invaded Finland?"
No, I said "My in-laws are coming from Newfoundland." Way to steal a monkey, save a hashbrown.
by Madelaine February 21, 2006
 
3.
Someone you are casually dating, while seeing others on the side. This person is almost always someone you would never consider dating exclusively, but, you keep around as a backup plan for free Saturday nights.
Maria: Oo, the new guy in Calculus is cute!

Virginia: Wait, I thought you and James were dating?

Maria: No, no, we're just insignificant others.
by Madelaine July 11, 2006