The process of laughing while wearing obnoxious bows
At the performance i gillianed when the actor made a joke
by matttherhino April 23, 2013
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A person who usually laughs like she's gurgling water. Looks like a very famous cartoon character. Usually wears glasses and likes jeans. Would never EVER see her near a library or a bar. Personality wise F , a failing grade
Girl 1: why is she always shouting when she's near a library
Girl 2: guess she's a Gillian.
by Nutty nut butt November 11, 2019
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Gillian.. a girl who never tells her secrets. A person you can tell your feelings for and makes you feel better!

A girl who pretends to be happy but really is sad and frustrated or something, i mean you can't really read her feelings. She has some insecurities that she thinks she's ugly but really she is the most beautiful person in the world... She's both inside out really, heh. I love her.
my thoughts on my friend Gilliannn
by Unknown bitch123 May 10, 2020
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Very fun person to be around. Everyone enjoys her company and she is a beautiful person. Her ears smell bad, but thats okay because she is still loved.
I love Gillian so much! Just don't go near her ears.
by gootastic5 December 30, 2011
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A stocky, pretty girl with big muscles. Stronger then almost every girl she knows. Works out daily lifting 50 pound weights. Her muscles get bigger every time you see them.
That girl is very pretty.

Yeah, she's also really strong so she must be a Gillian.
by buffgirlz December 10, 2011
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