the act of lying to everyone on a daily basis about your personal life, to impress other people of how great you are.
1.Damn he is alwaying talking bout his girlfriend he doesnt even have any pictures of her, he is such a delacerna

2.Yo mang where you at, ugh i thought you would come through, but you pulled a delacerna.
by ALOHA BITCH April 14, 2007
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