Top Definition
A sweet, kind and adorable person who's very smile is a blessing for all mankind. They are friendly and easy to talk to, and if you ever see a dullin upset you should immediately comfort him or her. Dullin is a youthful word developed form the word "darling".
Brandon: "Tara is so adorable, she bought me a Christmas present!"
Connor: "Yeah, she's the biggest dullin out!"
by Motorized Transparent Tree December 22, 2012

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