1) Someone who breaks your heart.

2) Someone who shakes your confidence daily.

3) Someone who makes you go down on your knees, begging please for her to come home.

4) Someone who when you return from washing your face will be fucking another dude in your bed. What a hooker.

5) Someone who will eventually get tired of fucking around and settle for you. You will be happy, she will resent you.
Simon: Cecilia! You're breaking my heart! You're shaking my confidence daily!
Cecilia: Yo bitch, go wash your nasty-ass face I've got shit to get done. Daaaaaymn!
by Garfunkmon2 February 06, 2010
A girl who is good at launguages, good at sport, and loves being with friends. Comes from the Saint Cecilia. Pantran Saint of Music. She can get any guy she wants, and is a party animal people love being around her! She falls inlove very easily!
Guy: Oi, look at that girl
Guy2 : she looks like a Cecilia

Guy: How can you tell?
Guy 2: Becasuse she is so pretty... i want her!
by loveme!<3 September 09, 2010
n. ¹ a Pokémon.
² a rad nerd chick.

v. The state of exuding radness.
Cecilia, I choose you!

Oh man ... look how cecilia she is!

They sure are getting their cecilia on ....
by nytethekid October 04, 2009
A funny, smart, cute girl who attracts all the boys. She seems to be girly but she is also tough. She is low in her confidence, and heartbroken so she is always blushing and looking down.
Cecilia is so awkward.
by Baseball_barbie_24 March 21, 2015
A twitchy hippy with a constant spasm in the left arm. Hair length ranges from down to the floor to as long as Ronnie Winter's from the Red Jumpsuit Apparatus.
Cecilia: Like, let's save the world!

Fred: Hmmmmm... u must be a Cecilia.

by Qofi December 11, 2007

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