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1.
a person, usually if not always a female, who is the most gorgeous being in a particular room. She (and the use of female pronouns from now on will be observed because studies show that Lacis are probably going to be, in fact, female) is the diamond in the ruff, if you will. She is unaware of just how gorgeous she really is, this is what makes her so special. It's not only outward appearences that create a Laci, it's also her ability to care for others around her, and love more than anyone would think possible. However, she is not perfect, not at all. She makes mistakes just like everyone else, sometimes more than the average amount of misjudgements in some cases. She could be your best friend or your worst enemy.
I just met the most amazing person today! She's fantastic, but acts a little strange at times...yeah I guess that would make her a Laci.
by allette09 May 20, 2008
 
2.
Any innocent person who was killed who didn't deserve it.
Don't kill a Laci because you are fucking selfish.
by DaMan November 07, 2003