Top Definition
Tillian is the shipped name of two lovers named Tyler and Gillian. They both love each other, but don't know it. All of their friends know so they tease them about it. Everyone tries to convince them to date but they don't. Their love will be forever because it's so strong.
Aw Tillian is so cute, they should date already!
by Tillian Lovers March 25, 2014
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